List of the Cenozoic life of Mississippi

• †Abderospira • †Abderospira aldrichi • †Abderospira leblanci • †Abderospira meyeri • †Abderospira oviformis • †Abderospira oviforms • †Abdounia • †Abdounia beaugei • †Abdounia subulidens • Abra – tentative report • Abra – or unidentified comparable form • Abra • †Abra nitens • †Abra pectorosa • †Abra perovata • †Acanthionella • †Acanthionella oecioporosa • cockle Acanthocardia'' • †Acanthocardia claibornensis • †Acanthocardia glebosum • Acar • †Acar aspera • Acirsa – tentative report • †Acirsa solumcostata – type locality for species • Aclis • †Aclis matsoni – type locality for species • †Acra • †Acra subprotracta • barrel-bubble sea snails Acteocina'' • †Acteocina crassiplica • Acteon • †Acteon annectens • †Acteon idoneus • †Acteon menthafons – type locality for species • †Acteon meyeri – type locality for species • †Acteon pomilius • †Acteon punctatus – type locality for species • †Acteon subaldrichi – type locality for species • Adeonellopsis • †Adeonellopsis cyclops • †Adeonellopsis galeata – type locality for species • †Adeonellopsis quisenberryae – type locality for species • †Adeonellopsis transversa • Aequipecten'' • †Aequipecten cocoana • †Aequipecten redwoodensis – type locality for species • †Aequipecten spillmani • Aetobatus • Agaronia • †Agaronia alabamensis • †Agaronia media • †Agaronia mississippiensis • Agatrix • †Agatrix mississippiensis • Alaba • †Alaba blakneyensis • †Alaba macneili – type locality for species • Alabina • †Alabina menthafontis – type locality for species • Albula • †Albula eppsi • Alderina • †Alderina lunata • †Alderina pulcherrima • Alligator • , or American alligator †Alligator mississippiensis'' • †Altrix • †Altrix altior • †Alveinus • †Alveinus minutus • Americardia • †Americardia silvacollina – type locality for species • Ammonia • †Ammonia beccarii • †Amonia • †Amonia microstriata – type locality for species • Anadara • †Anadara lesueuri • †Anadara vaughani • Ancilla • †Ancilla staminea • Anodontia • †Anodontia mississippiensis • Anomia • †Anomia lisbonensis • †Anomia microstriata – type locality for species • †Anomotodon • tusk shell Antalis'' • †Antalis danvillense • †Antalis minutistriatum • †Antalis mississippiense • †Antalis thalloides • Antropora • †Antropora duplex • †Antropora lowei – type locality for species • †Antropora pyriforme • †Apatemys • †Apatemys pygmaeus – type locality for species • Apiotoma • †Apiotoma palmerae – type locality for species • Aporrhais • †Aporrhais lirata • †Aporrhais menthafontis – type locality for species • Arachnopusia • †Arachnopusia vicksburgica • †Arbia • †Arbia aldrichi • †Archaeomanta • †Archaeomanta melenhorsti • staircase shell sea snail Architectonica'' • †Architectonica acuta • †Architectonica aldrichi • †Architectonica alveatum • †Architectonica amoena • †Architectonica bellistriata • †Architectonica billmoorei – type locality for species • †Architectonica cossmanni • †Architectonica elaborata • †Architectonica fungina • †Architectonica hargeri • †Architectonica leana • †Architectonica meekana • †Architectonica meliconae • †Architectonica ornata • †Architectonica textilina • †Architectonica trilirata • Arcopagia • †Arcopagia eburneopsis • †Arcopagia raveneli • †Arcopagia trumani • Arcoperna • †Arcoperna filosa • †Arcoperna linteata – type locality for species • Arene • †Arene nodosa – type locality for species • Arius • Astarte • †Astarte menthifontis – type locality for species • †Astarte newtonensis • †Astarte planilamella – type locality for species • †Astarte triangulata • Asthenotoma • †Asthenotoma danvitexa • stony coral Astrangia'' • †Astrangia expansa – type locality for species • †Astrangia harrisi • †Astrhelia • †Astrhelia burnsi – type locality for species • †Astrhelia neglecta – type locality for species • Athleta • †Athleta lisbonensis • †Athleta petrosa • †Athleta symmetricus • †Athleta triplicatus • †Athleta tuomeyi • Atrina • †Atrina argentea • †Atrina jacksoniana • †Aturia'' • †Aturia alabamensis • †Aturia berryi • †Aturia richardsi – type locality for species • Atys • †Atys caseyi – type locality for species • †Atys pinguis – type locality for species • †Austrocypraea • †Austrocypraea towncreekensis – type locality for species • Axelella • †Axelella elongata – type locality for species ==B==

• Balanophyllia • †Balanophyllia elongata – type locality for species • †Balanophyllia haleana • †Balanophyllia irrorata • Balcis • †Balcis notata • †Baluchicardia'' • †Baluchicardia greggiana • Barbatia • †Barbatia aspera • †Barbatia cuculloides • †Barbatia lima • †Barbatia ludoviciana • †Barbatia mississippiensis • †Barbatia paradiagona – type locality for species • †Barbatia seraperta • †Basilosaurus'' • †Basilosaurus cetoides • †Bathycyathus – type locality for genus • †Bathycyathus pulcher – type locality for species • Bathytoma • †Bathytoma congesta • †Bathytoma rhomboidea – type locality for species • Bathytormus • †Bathytormus clarkensis • †Bathytormus flexurus • †Bathytormus productus • †Bayania • †Bayania secale • †Belemnosella • †Belemnosella americana • †Belosaepia • †Biocorbula • †Biocorbula pearlensis • Bison'' • Bittium • †Bittium koeneni • †Bittium ottoi – type locality for species • †Bonellitia • †Bonellitia bastropensis • †Bonellitia elevata • †Bonellitia garvani • †Bonellitia jacksonica • †Bonellitia parilis • Bornia • †Bornia tallahalaensis – type locality for species • Bos • †Bovicornu • †Bovicornu eocenense • †Bovicornu gracile • Brachidontes • †Brachidontes mississippiensis • , or codlet Bregmaceros'' • †Brevinucula • †Brevinucula pseudopunctata – type locality for species • †Bristocorbula • †Bristocorbula fossata • Brizalina • †Brizalina marginata • †Brychaetus • †Brychaetus muelleri • Buliminella • †Buliminella bassendorfensis – or unidentified comparable form • †Buliminella elegantissima • Bulla • †Bulla calluspira • Bullia • †Bullia ancillops • †Burnhamia • †Burnhamia daviesi • †Burnhamia fetahi • sea snail Busycon'' • †Busycon branneri ==C==

• Cadulus • †Cadulus abruptus • †Cadulus corpulentus • †Cadulus jacksonensis • †Cadulus juvenis • †Cadulus newtonensis • †Cadulus quadriturritus • †Cadulus vicksburgensis • Caecum • †Caecum alterum • †Caecum solitarium • Caestocorbula • †Caestocorbula fossata • †Caestocorbula wailesiana • Callianassa • †Callianassa Sp. informal • top sea snail Calliostoma'' • Callista • †Callista annexa • †Callista goniopisthus – type locality for species • †Callista pearlensis • †Callista perlensis • †Callista perovata • †Callista sobrina • Callopora • †Callopora filoparietis • †Callopora ingens • †Callopora mundula • †Callopora tenuirostris • Callucina • †Callucina choctavensis • †Calorhadia • †Calorhadia albirupina • †Calorhadia aldrichiana • †Calorhadia elongatoidea • †Calorhadia opulenta • †Calorhadia pharcida • †Calorhadia reginajacksonis • Calotrophon • †Calotrophon ostrearum • †Calpurna • †Calpurna cookei – type locality for species • , or Chinese hat snails Calyptraea'' • †Calyptraea alta • †Calyptraphorus • †Calyptraphorus stamineus • †Calyptraphorus trinodiferus • †Calyptraphorus velatus • Cantharus • Capulus • †Capulus americanus • †Capulus langdoni – type locality for species • †Capulus planus • Carcharhinus • †Carcharhinus gibbesi • Carcharias • †Carcharias hoperi • †Carcharias robustus • †Carcharias teretidens • †Carcharias verticalis • shark Carcharodon'' • †Carcharodon auriculatus • †Carditella • †Carditella aldrichi • †Caricella • †Caricella demissa • †Caricella fenestra • †Caricella howei • †Caricella polita • †Caricella pyruloides • †Caricella reticulata • †Caricella stenzeli • †Caricella subangulata • †Caricella turneri • Caryocorbula • †Caryocorbula densata • †Caryocorbula deusseni • †Caryocorbula engonatoides • †Caryocorbula willistoni • Cassis • †Cassis flintensis • Cavilinga • †Cavilinga imbricolamella – type locality for species • †Cavilinga triloba – type locality for species • Celleporaria • †Celleporaria damicornis • †Celleporaria fissurata • †Celleporaria granulosa • †Celleporaria peristomata – type locality for species • Celleporina • †Celleporina globosa • cerith sea snail Cerithiella'' • †Cerithiella heckscheri • †Cerithiella jacksonensis • †Cerithiella langdoni • †Cerithiella nassula • †Cerithiella nassuloides – type locality for species • †Cerithiella preconica • †Cerithioderma • Cervus • Chama • †Chama harrisi • †Chama mississippiensis • †Chama monroensis • †Chama pappiladerma – type locality for species • †Chama radiata • Chamelea • †Chamelea mississippiensis • Chaoborus'' • Chelonibia • †Chelonibia melleni – type locality for species • Chicoreus • †Chicoreus dormani • †Chicoreus mississippiensis • †Chicoreus stetopus • Chione • †Chione craspedonta • †Chione perbrevisformis – type locality for species • Chionopsis • †Chionopsis bainbridgensis • Chiton • bivalve Chlamys'' • †Chlamys anatipes • †Chlamys burlesonensis • †Chlamys cainei • †Chlamys choctavensis • †Chlamys clarkeana • †Chlamys cocoana • †Chlamys danvillensis • †Chlamys ducanensis • †Chlamys nupera • †Chlamys pulchricosta • †Chlamys spillmani • †Chlamys wahtubbeana • †Chlamys wahtubbeanus – or unidentified comparable form • †Choctawius – type locality for genus • †Choctawius foxi – type locality for species • †Cimomia • †Cimomia subrecta • †Cimomia vestali • Circulus • †Circulus ottonius • †Circulus sotoensis • Cirsotrema • †Cirsotrema danvillense • †Cirsotrema linteum • †Cirsotrema nassulum • †Cirsotrema newtonense • †Cirsotrema newtonensis • †Cirsotrema ranellinum • †Cirsotrema spillmani • Clathurella • †Clathurella blakneyensis • Clava • †Clava menthafontis – type locality for species • †Clava silvacollinis – type locality for species • †Clavidrupa • †Clavidrupa anita • Clavilithes'' • †Clavilithes columbaris • †Clavilithes hubbardanus • †Clavilithes humerosus • †Clavilithes kennedyanus • †Clavilithes longiformis • †Clavilithes penrosei • †Clavilithes texanus • †Clavilithes vicksburgensis • Clio • †Clio simplex • Closia • †Closia larvata • †Closia semen • , or sea biscuit Clypeaster'' • †Clypeaster rogersi • Cochlespira • †Cochlespira bella • †Cochlespira columbaria • †Cochlespira cookei – type locality for species • †Cochlespira cristata - type species; for Pleurotoma cristata. • †Cochlespira engonata • †Cochlespiropsis • †Cochlespiropsis engonata • Codakia • †Colpocherus – type locality for genus • †Colpocherus mississippiensis – type locality for species • Columbellopsis • †Columbellopsis mississippiensis • †Confusiscala • †Confusiscala durhami – type locality for species • Conger'' • †Conger meridies • †Conger vetustus • †Congeris • †Congeris brevior • Conomitra – tentative report • Conomitra • †Conomitra crenulata • †Conomitra hammakeri • †Conomitra jacksonensis • †Conomitra staminea • †Conomitra texana • †Conomitra vicksburgensis • Conopeum • †Conopeum arborescens • †Conopeum concavum – type locality for species • †Conopeum damicornis • †Conopeum hookeri • †Conopeum lacroiriir • †Conopeum lamellosum • †Conorbis • †Conorbis alatoideus • †Conorbis porcellanus • Conus • †Conus protractus • †Conus sauridens • †Conus smithvillensis • Coralliophaga • †Coralliophaga corrugata – type locality for species • Coralliophila • †Coralliophila aldrichi • †Corbarimys • †Corbarimys nomadus – type locality for species • basket clam Corbula'' • †Corbula alabamiensis • †Corbula concha • †Corbula engonata • †Corbula extenuata • †Corbula laqueata • †Corbula rufaripa – type locality for species • Cordieria • †Cordieria biconica • †Cordieria ludoviciana • †Cornulina • †Cornulina dalli • †Cornulina minax • †Coronia • †Coronia alternata • †Coronia ancilla • †Coronia casteri • †Coronia childreni • †Coronia conjuncta • †Coronia margaritosa • †Coronia montgomeryensis • †Coronia nodulina • †Coronia tenella • †Corvina • †Corvina gemma • †Corvina intermedia • †Corvina pseudoradians – type locality for species • . Heinrich Harder (1920). †Coryphodon'' • Costacallista – or unidentified comparable form • †Costacallista mortoni • †Coupatezia • †Coupatezia woutersi • Crassatella • †Crassatella aquiana • †Crassatella gabbi • †Crassatella lirasculpta – type locality for species • †Crassatella mississippiensis • †Crassatella negreetensis • †Crassatella texalta • †Crassatella texana • †Crassatella trapaquara • Crassinella • †Crassinella pygmaea • †Crassinella pygmeae • †Crassinella variablis – type locality for species • sea snail Crassispira'' • †Crassispira abundans • †Crassispira lyopleura – type locality for species • †Crassitella • †Crassitella mississippiensis • Crassostrea • Crenella • †Crenella fenestra – type locality for species • †Crenella isocardioides • †Crenella tenuis • Crenilabium • †Crenilabium altispira – type locality for species • Crepidula • †Crepidula dumosa • †Crepidula lirata • Creseis • †Creseis corpulenta • †Creseis simplex • †Creseis spina • †Cresies • †Cresies corpulenta – or unidentified comparable form • †Cretolamna'' • †Cretolamna aschersoni • †Cretolamna lerichei • Crisia • †Crisia cribraria • †Crisia hornesi • †Crisia lowei • †Crommium • †Crommium jacksonense • †Cubitostrea • †Cubitostrea divaricata • †Cubitostrea lisbonensis • †Cubitostrea perplicata • †Cubitostrea sellaeformis • Cuna – tentative report • †Cuna astartoides • †Cuneocorbula • †Cuneocorbula subengonata • Cuspidaria • †Cuspidaria multiornata • †Cyclichna • †Cyclichna acutiscapulae – type locality for species • †Cyclichna nida – type locality for species • Cyclostremiscus • †Cyclostremiscus exacuus • †Cyclostremiscus menthafons – type locality for species • †Cyclostremiscus quadracordata – type locality for species • Cylichna • †Cylichna nida – type locality for species • Cylichnella • †Cylichnella bitruncata • †Cylindracanthus • †Cylindracanthus rectus • Cymatium • †Cymatium vicksburgense – type locality for species • Cymatosyrinx • †Cymatosyrinx dorseyi • †Cymatosyrinx palmerae • Cymia • †Cymia subalveata • †Cynthiacetus'' – type locality for genus • †Cynthiacetus maxwelli – type locality for species • Cypraea • Cypraedia • †Cypraedia fenestralis • †Cypraeorbis • †Cypraeorbis nuculoides • †Cypraeorbis sphaeroides • †Cypraeorbis ventripotens ==D==

• Daphnella • †Daphnella imperita • †Daphnella quindecima • stingray Dasyatis'' • †Dasyatis tricuspidatus • †Dasyostoma • †Dasyostoma rugostoma • Dendrophyllia • †Dendrophyllia lisbonensis • Dentalium • †Dentalium bitubatum - broadly construed • †Dentalium incississimum • †Dentalium jacksonense • †Dentalium mediaviense • †Dentalium microstria • †Dentalium mississippiense • †Dentalium opaculum • †Dentalium polygonuum • †Dentalium strenuum • †Dentalium varicostata – type locality for species • †Dentalium zephyrinum • Dermomurex • †Dermomurex cookei • †Diacocherus • †Diacocherus dockeryi – type locality for species • †Diacodexis • Diaperoecia • †Diaperoecia clava – type locality for species • †Diaperoecia jacksoniensis • Dimya • †Dimya rufaripa • Dinocardium • †Dinocardium vicksburgensis • Diodon • keyhole limpets Diodora'' • †Diodora infrequens • †Diodora mississippiensis • †Diodora tenebrosa • Diplodonta • †Diplodonta anterproductus • †Diplodonta bulla • †Diplodonta compacta – type locality for species • †Diplodonta deflatus • †Diplodonta eburnea • †Diplodonta elatia – type locality for species • †Diplodonta hopkinsensis • †Diplodonta turgida • †Diplodonta ungulina • †Diplopholeos • †Diplopholeos lineatum • Discopsis • †Discopsis pilsbryi – type locality for species • †Discotrochus • †Discotrochus obrignianus • †Discotrochus orbignianus • Distorsio • †Distorsio crassidens • Divalinga • †Divalinga subrigaultiana • †Dolicholatirus • †Dolicholatirus cervicrassus • †Dolicholatirus exilis • †Dolicholatirus leaensis • †Dolicholatirus perexilis • Donax • †Donax funerata • †Dorudon'' ==E==

• †Eburneopecten • †Eburneopecten corneoides • †Eburneopecten frontalis • †Eburneopecten scintillatus • †Eburneopecten subminutus • Echinolampas • †Echinolampas aldrichi • †Ectocion'' • †Ectocion nanabeensis – type locality for species • †Egertonia • †Egertonia isodonta • †Ekokenia • †Ekokenia eporrecta • Ellisina • †Ellisina profunda • Elphidium • †Elphidium gavestonense • †Elphidium latsipatium • Emydoidea • '', or Blanding's turtle †Emydoidea blandingii • Enaeta • †Enaeta isabellae • Endopachys • †Endopachys londsdalei • †Endopachys lonsdalei • †Endopachys maclurii • †Endopachys minutum – type locality for species • Enoplostomella • †Enoplostomella magniporosa – type locality for species • †Enoplostomella synthetica • †Eocithara • †Eocithara jacksonensis • †Eoclathurella • †Eoclathurella obesula • †Eodrilla • †Eodrilla longsdalii • †Eodrilla texana • †Eodrillia – tentative report • †Eogale – type locality for genus • †Eogale parydros – type locality for species • †Eophysema • †Eophysema ozarkana • †Eopleurotoma • †Eopleurotoma adolescens • †Eopleurotoma cainei • †Eopleurotoma carya • †Eopleurotoma cochlea • †Eopleurotoma gemmavia • †Eopleurotoma julia • †Eopleurotoma lisboncola • †Eopleurotoma nodocarinata • †Eopleurotoma nupera • †Eopleurotoma sayi • †Eosurcula • †Eosurcula moorei • †Eosurcula pulcherrima • †Eosurcula tuomeyi • †Eotorpedo • †Eotorpedo jaeckeli • †Eotorpedo jaekeli • Epilucina • Epistominella • †Epistominella pontoni • †Epistominella vitrea • wentletrap sea snail Epitonium'' • †Epitonium unilineata • Equus • †Equus complicatus • †Erkosonea • †Erkosonea semota • †Eromotherium • Ervilia • †Ervilia exteroaevis – type locality for species • †Ervilia exterolaevis – type locality for species • †Ervilia lamelloexteria – type locality for species • Erycina • †Erycina zitteli • Escharella • †Escharella granulosa • †Etyus • †Etyus buccata • †Etyus strangulata • †Eucheilodon • †Eucheilodon americana • †Eucheilodon crenocarinata • †Eucymba • †Eucymba ocalana • †Eucypraedia • †Eucypraedia pittsi – type locality for species • Eulima'' • †Eulima extremis • †Eulima jacksonensis • Eulimella • †Eulimella clearyensis – type locality for species • Eumetula • †Eumetula vicksburgella • Eunaticina • †Eunaticina erectiodes • †Eunicella • Eurytellina • †Eurytellina linifera • †Eurytellina mooreana • †Eurytellina papyria • †Eurytellina spillmani • †Eurytellina vaughani • †Euscalpellum • †Euscalpellum eocenense • moon sea snail Euspira'' • †Euspira aldrichi • †Euspira jacksonensis • †Euspira marylandica • †Euspira newtonensis • †Euspira sabina • †Euspira vicksburgensis • †Exilia • †Exilia pergracilis • †Exochoecia • †Exochoecia rugosa ==F==

• Falsifusus • †Falsifusus bastropensis • †Falsifusus ludlovicianus • †Falsifusus perobliquus • †Fedora • †Fedora pusilla – type locality for species • Felaniella • †Felaniella palmerae • †Ficopsis • †Ficopsis penita • †Ficopsis texana • Ficus • †Ficus filia • †Ficus merita • †Ficus mississippiensis • Filisparsa • †Filisparsa fallax • Flabellum • †Flabellum cuneiforme • †Flabellum rhomboideum – type locality for species • †Flabellum wailesii • †Fleurofusia – tentative report • Floridina • †Floridina antiqua • †Floridina bifoliata • †Floridina granulosa • †Franimys • †Franimys actites – type locality for species • Fulgurofusus • †Fulgurofusus quercollis • Fusimitra • †Fusimitra conquisita • †Fusimitra millingtoni • sea snail Fusinus'' • †Fusinus insectoides • †Fusoficula • †Fusoficula angelinensis • †Fustaria • †Fustaria menthifonta – type locality for species • Fustiaria • †Fustiaria danai • †Fustiaria menthafonta – type locality for species • †Fustiaria subcompressa • †Fustilaria ==G==

• requiem shark Galeocerdo'' • †Galeocerdo clarkensis • Galeodea • †Galeodea brevidentata • †Galeodea millsapsi • †Galeodea petersoni • †Galeodea planotecta • †Galeodea shubutensis • †Galeodea tricarinata • Galeorhinus • †Galeorhinus affini • †Galeorhinus affinis • †Galeorhinus huberensis • †Galeorhinus minor • †Galeorhinus ypresiensis • Galeus • Gari • †Gari jacksonensis • †Gari ozarkana • †Gari papyria • Gastrochaena • †Gastrochaena mississippiensis • Gegania • †Gegania antiquata • Gemmula • †Gemmula amica • †Gemmula rotaedens • Genota • †Genota aldrichi • †Genota axeli • †Genota heilprini • Geochelone • †Geochelone crassicutata • †Georgiacetus'' • †Georgiacetus vogtlensis • Gephyrotes • †Gephyrotes spectabilis – type locality for species • †Gigantostrea • †Gigantostrea trigonalis • Ginglymostoma • †Ginglymostoma subafricanum • Globigerina • †Globigerina praebuloides • †Globigerina riveroae • Globivenus • †Globivenus ucuttana • †Globoquadrina • †Globoquadrina dehiscens • Globorotalia • †Globorotalia peripheroacuta • †Globorotalia peripheroronda • †Globorotalia pseudomiocenica • Globularia • †Globularia morgani • , or bittersweet clam Glycymeris'' • †Glycymeris arctata • †Glycymeris filosa • †Glycymeris idonea • †Glycymeris intercostata • †Glycymeris lisbonensis • †Glycymeris mississippiensis • †Glycymeris suwannensis • †Glycymeris wautubbeana • Glyptemys • †Glyptemys insculpta • Glyptoactis • †Glyptoactis alticostata • †Glyptoactis complexicosta • †Glyptoactis trapaquara • †Glyptotoma • †Glyptotoma conradiana • †Glyptotoma crassiplicata • Gonimyrtea • †Gonimyrtea curta • †Gracilocyon • †Gracilocyon igniculus – type locality for species • Graptemys • †Gryphaeostrea • †Gryphaeostrea plicatella ==H==

• Haliris • †Haliris mississippiensis • †Haliris quadrangularis • Hanzawaia • †Hanzawaia strattoni • †Haplomylus • †Haplomylus meridionalis – type locality for species • Harpa • †Harpa vicksburgiana – type locality for species • †Harpactocarcinus'' • Hastula • †Hastula houstonia • Haustator • †Haustator carinata • †Haustator perdita • †Haustator rina • †Haustator rivurbana • †Heliconoides • †Heliconoides inflata – or unidentified comparable form • relative Hemiauchenia †Hemiauchenia • †Hemiauchenia macrocephala • Hemipristis • †Hemipristis wyattdurhami • †Hemisurcula • †Hemisurcula hicoicola • †Hemisurcula hicoricola • †Hemisurcula perexilis • †Hesperiturris • †Hesperiturris nodocarinatus • †Hesperotestudo • †Hesperotestudo crassiscutata • , or bullhead shark Heterodontus'' • †Heterodontus sowasheense – type locality for species • Heteropora • †Heteropora amaena • †Heteropora ovalis • Hexaplex • †Hexaplex engonatus • †Hexaplex katherinae • †Hexaplex marksi • †Hexaplex silvatucus • †Hexaplex supernus • †Hexaplex vanuxemi • †Hilgardia • †Hilgardia coelatoides • †Hilgardia multilineata • Hincksina – tentative report • †Hincksina ocalensis • Hippomenella • †Hippomenella crassicollis • †Hippomenella punctata • †Hippomenella radicata • †Hippomenella rotula – type locality for species • , or hoof sea snail Hipponix'' • †Hipponix – type locality for species informal • †Hipponix n.sp informal • †Hipponix pygmaea • †Hipponix pygmaeus • Hippoporina • †Hippoporina lucens • †Hippozeugosella • †Hippozeugosella arcuata • †Hippozeugosella marginata • Homo • †Homomya • †Homomya hamatoides • Hornera • †Hornera polyporoides • †Hyracotherium'' ==I==

• Idmonea • †Idmonea magna • †Idmonea milneana • †Idmonea petri • †Idmonea triforata • †Infracoronia • †Infracoronia ludoviciana • , or mako shark Isurus'' • †Isurus praecursor ==J==

• †Jaekelotodus – tentative report • †Jefitchia • †Jefitchia claybornensis • Jouannetia • †Jouannetia triquetra ==K==

• †Kapalmerella • †Kapalmerella alveata • †Kapalmerella arenicola • Kellia • †Kellia interstriata • Kelliella • †Kelliella boettgeri • †Kelliella rufaripa – type locality for species • †Kleidionella • †Kleidionella grandis • Kuphus'' • †Kuphus incrassatus ==L==

• Lacerna • †Lacerna jacksonensis • †Lacinia • †Lacinia alveata • Laevicardium • †Laevicardium gardnerae • †Laevicardium leptorimum – type locality for species • Lamna • †Lamna lerichei • †Lapparia • †Lapparia dumosa • †Lapparia exigua • †Lapparia mooreana • sea snail Latirus'' • †Latirus aldrichi – type locality for species • †Latirus humilior • †Latirus indistinctus • †Latirus mississippiensis • †Latirus moorei • †Latirus protractus • †Latirus suturalis • Leiosella • †Leiosella orbicularia – type locality for species • †Lepidocyclina • †Lepidocyclina supera • , or gar Lepisosteus'' • †Lepisosteus suessionensis • †Levifusus • †Levifusus branneri • †Levifusus hubbard • †Levifusus moodianus • †Levifusus mortonii • †Levifusus mortoniopsis • †Levifusus nodulatum • †Levifusus spiniger • Lichenopora • †Lichenopora grignonensis • Lima • †Lima bastropensis • sea butterfly Limacina'' • Limaria • †Limaria staminea • Limopsis • †Limopsis aviculoides • †Limopsis radiata • Linga • †Linga pomilia • †Lirodiscus • †Lirodiscus jacksonensis • †Lirodiscus pretriangulata • †Lirodiscus protractus • †Lirodiscus psychopterus • †Lirodiscus smithvillensis • †Lirofusus • †Lirofusus thoracicus • Lirophora • †Lirophora victoria • †Lithophysema • †Lithophysema grande • Litiopa • †Litiopa spirata • †Litorhadia • †Litorhadia compsa • †Litorhadia mater • Lopha • †Lopha vicksburgensis • Lophius • †Lophius sagittidens • †Lophoranina • †Lophoranina georgiana • Lucina • †Lucina fimbripallium – type locality for species • †Lucina ozarkana – tentative report • †Lucina papyracea • †Lucina pomilia • †Lucina subcurta • Lucinisca • †Lucinisca varisculpta – type locality for species • , or crescent-cup liverwort Lunularia'' • †Lunularia fenestrata • †Lunularia jacksonensis • †Lunularia ligulata – type locality for species • †Lunularia tintinabula • Lunulites • †Lunulites bouei • †Lunulites fenestrata • †Lunulites jacksonensis • †Lunulites truncata • Lyria • †Lyria mississippiensis • †Lyria nestor • †Lyrischapa • †Lyrischapa harrisi – type locality for species • †Lyropecten • †Lyropecten menthifontis • †Lyrosurcula • †Lyrosurcula dalli • †Lyrosurcula shaleri ==M==

(Lamarck, 1804), a fossil species from the Eocene of France --> • Macrocallista • †Macrocallista sylvaerupis • Mactra • †Mactra inornata • Madracis • †Madracis gregoriori • †Mammut • , or American mastodon †Mammut americanum'' • Maretia • †Maretia arguta – type locality for species • Margaretta • †Margaretta vicksburgica • Marginella • †Marginella constrichtoides • †Marginella constrictoides • †Marginella silabra • †Mastigophora • †Mastigophora hyndmanni • Mathilda • †Mathilda regularis • †Mathilda retisculpta • †Mazzalina • †Mazzalina inaurata • Mecynoecia • †Mecynoecia semota • †Megalonyx'' • †Megalonyx jeffersonii • Melanella • †Melanella amnicreta • †Melanella jacksonensis • †Melanella postnotata • Membraniporidra • †Membraniporidra oecioporosa • †Membraniporidra spissimuralis • †Meniscopora • †Meniscopora elliptica • †Meridiania – type locality for genus • †Meridiania convexa – type locality for species • Mesalia • †Mesalia allentonensis • †Mesalia claibornensis • †Mesalia vetusta • . Charles R. Knight (1896). †Metamynodon'' • †Metamynodon planifrons • †Metradolium • †Metradolium sulciferum – type locality for species • Metrarabdotos • †Metrarabdotos grande – type locality for species • †Metrarabdotos moniliferum • Metula • †Metula fastidiosa • †Metula fragilis • †Metula gentilicia • †Metula inflata – type locality for species • †Metula neptuneiformis – type locality for species • †Metula subgracilis • †Miacis'' • †Michela • †Michela trabeatoides • †Micrdodrillia • †Micrdodrillia vicksburgella • Microdrillia • †Microdrillia brevis • †Microdrillia cossmanni • †Microdrillia infans • †Microdrillia ouachitae • †Microdrillia robustula • †Microdrillia vicksburgella • †Microscyliorhinus – type locality for genus • †Microscyliorhinus leggetti – type locality for species • †Microsurcula • †Microsurcula intacta • †Microsurcula mentha – type locality for species • †Microsurcula nucleola • Miltha • †Miltha gaufia • †Mimoperadectes'' • †Mimoperadectes sowasheensis • Mitra • †Mitra conquista • †Mitra mississippiensis • Mitrella • †Mitrella bastropensis • †Mitrella bucciniformis • †Mitrella fuscicava • †Mitrella oryzoides – or unidentified related form • †Mitrella parva • Mnestia • †Mnestia meyeri • Modiolus – tentative report • Morum • †Morum harpula • Mulinia • †Mulinia lateralis • sea snail Murex'' • †Murex angulatus • †Murex fusates • †Murex migus • Murexiella • †Murexiella vaughani – type locality for species • †Murotriton • †Murotriton mcglameriae • Mustelus • †Mustelus rodgersi • Myliobatis • †Myliobatis dixoni • with an inset depicting its excrement and a skin fragment †Mylodon'' • Myrtea • †Myrtea curta • †Myrtea scopularis • †Myrtea vicksburgensis • †Mytea • †Mytea vicksburgensis ==N==

• †Nannippus'' • †Nannippus minor • †Naranius • †Naranius americanus – type locality for species • Nassarius • †Nassarius albirupina • †Nassarius exilis • †Nassarius hilli • †Nassarius jacksonensis • †Nassarius macilenta • †Nassarius mississippiensis • †Natchitochia • †Natchitochia jonesi • moon snail Natica'' • †Natica acuticallosa • †Natica aperta • †Natica caseyi • †Natica mississippiensis • †Natica pennunda • †Natica permunda • Naticarius • †Naticarius acuticaliosa – type locality for species • †Naticarius semilunata • nurse shark Nebrius'' • †Nebrius thielensis • Nellia • †Nellia bifaciata • †Nellia tenella • Nemocardium • †Nemocardium diversum • †Nemocardium eocenense • †Nemocardium harrisi • †Nemocardium nicoletti • †Nemocardium nicolletti • moon sea snail Neverita'' • Niso • †Niso umbilicata • Nonion • †Nonion depressulum • †Nonion plnatum • Norrisia • †Norrisia micromphala • †Notiotitanops – type locality for genus • †Notiotitanops mississippiensis – type locality for species • †Nucleopsis • †Nucleopsis subvaricata • Nucula'' • †Nucula magnifica • †Nucula mauricensis • †Nucula ovula • †Nucula smithvillensis • †Nucula sphenopsis • †Nucula tallahalaensis – type locality for species • †Nucula vicksburgensis • †Nucula yazooensis • Nuculana • †Nuculana akidota – type locality for species • †Nuculana linifera • †Nuculana multilineata • †Nuculana smithvillensis – or unidentified comparable form • †Nuculana spheniopsis • †Nuculana wautubbeana ==O==

• †Ochetosella • †Ochetosella jacksonica • Oculina • †Oculina aldrichi – type locality for species • †Oculina harrisi – type locality for species • sand shark Odontaspis'' • †Odontaspis borodini – type locality for species • †Odontaspis hopei • †Odontaspis hynei – type locality for species • †Odontaspis speyeri • †Odontaspis substriatus • †Odontaspis winkleri • †Odontogryphaea • Odostomia • †Odostomia boettgeri • †Odostomia byramensis – type locality for species • †Odostomia jacksonensis • †Odostomia melanella • †Odostomia vicksburgella – type locality for species • †Ogivalina • †Ogivalina elongata • †Oligotresium • †Oligotresium vicksburgensis • Oliva • †Oliva affluens • †Oliva mississippiensis • Oncousoecia • †Oncousoecia quinqueseriata – type locality for species • Onychocella • †Onychocella celsa • †Ophiomorpha'' • †Orthosurcula • †Orthosurcula byramensis • †Orthosurcula langdoni • †Orthosurcula longiforma • Orthoyoldia • †Orthoyoldia psammotaea • †Orthoyoldia rubamnis • Osthimosia • †Osthimosia glomerata • Ostrea • †Ostrea brevifronta • †Ostrea falco • †Ostrea paroxis • †Ostrea pulaskensis • †Ostrea sinuosa – or unidentified comparable form • †Ostrea westi • Otionella • †Otionella perforata • †Otionella tuberosa • †Otodus'' • †Otodus angustidens • †Otolithus • †Otolithus americanus • †Otolithus brevior • †Otolithus claybornensis • †Otolithus comes • †Otolithus cor • †Otolithus debilis • †Otolithus elegantus • †Otolithus glaber • †Otolithus hospes • †Otolithus insuetus • †Otolithus laevigatus • †Otolithus meyeri • †Otolithus sector • †Otolithus similis • †Otolithus sulcatus • †Otostomia • †Otostomia melanella • †Ottoina • †Ottoina kinkelini • †Oxyrhina • †Oxyrhina praecursor ==P==

• †Pachecoa • †Pachecoa catonis • †Pachecoa declivis • †Pachecoa pulchra • †Pachygaleus • †Pachygaleus lefevrei • †Palaeocybium • †Palaeocybium proosti • †Palaeophis'' • †Palaeophis casei – type locality for species • †Palaeophis littoralis • †Palaeophis virginianus • †Palaeosinopa • †Palaeosinopa aestuarium – type locality for species • Panopea • †Panopea bitruncata • †Panopea oblongata • Panthera • , or lion †Panthera leo'' • †Papillina • †Papillina dumosa • Paracyathus • †Paracyathus alternatus • †Paracyathus bellus – type locality for species • †Paramys • †Paramys dispar – type locality for species • Parvilucina • †Parvilucina posteocurta – type locality for species • †Patulaxis • †Patulaxis scrobiculata • Pecten • †Pecten byramensis • †Pecten perplanus • †Pecten poulsoni • Penion • †Penion bellus • †Peratherium'' • †Peratherium macgrewi • †Periarchus • †Periarchus lyelli • Perigastrella • †Perigastrella oscitans – type locality for species • †Perigastrella plana • †Perigastrella rectilineata • Periploma • †Periploma claibornense • †Periploma macneili – type locality for species • †Peristomella • †Peristomella laticella • Petaloconchus • †Petaloconchus transcostatus – type locality for species • Petrophyllia • †Petrophyllia vicksburgensis • , or bonnet shell sea snail Phalium'' • †Phalium brevicostatum • †Phalium johnsoni • †Phalium menthafons – type locality for species • †Phalium mississippiensis • †Phalium taitii • †Phandella • †Phandella nepionica • †Phandella transemma – type locality for species • Philine • †Philine dockeryi • Pholadomya • Pholas • nassa mud snail Phos'' • †Phos jacksonense • †Phos sagenum • †Phos texanum • †Phos texanus • †Phos vicksburgensis • Phyllodus • †Phyllodus toliapicus • Phyllonotus • †Phyllonotus mississippiensis • †Physogaleus • †Physogaleus americanus – type locality for species • †Physogaleus tertius • †Pisodus • †Pisodus oweni • venus clam Pitar'' • †Pitar aldrichi – type locality for species • †Pitar astartiformis • †Pitar calcanea • †Pitar imitabilis • †Pitar megacostata – type locality for species • †Pitar nuttalliopsis • †Pitar perbrevis • †Pitar petroplitanus • †Pitar petropolitanus • †Pitar protena – type locality for species • †Pitar securiformis • †Pitar semipunctata • †Pitar texacola • †Pitar trigoniata • †Plagiarca • †Plagiarca rhomboidella • †Plagioctenodon • †Plagioctenodon dormaalensis • Plagioecia • †Plagioecia hirta • †Platycoenia – type locality for genus • †Platycoenia jacksonensis – type locality for species • †Platyoptera • †Platyoptera extenta • ray Platyrhina'' • †Platyrhina dockeryi – type locality for species • Platytrochus • †Platytrochus elegans • †Platytrochus goldfussi • †Platytrochus stokesi • Plectodon • †Plectodon intastriata • Pleurofusia • †Pleurofusia clarkeana • †Pleurofusia collaris • †Pleurofusia danvicola • †Pleurofusia decliva • †Pleurofusia elegantula – type locality for species • †Pleurofusia fessa – type locality for species • †Pleurofusia fluctuosa • †Pleurofusia hilgardi • †Pleurofusia hiwanneensis – type locality for species • †Pleurofusia longirostropis • †Pleurofusia longirostropsis • †Pleurofusia oblivia • †Pleurofusia servata • †Pleuroliria • †Pleuroliria cochlearis • †Pleuroliria jacksonella • †Pleuroliria subsimilis • Pleuromeris • †Pleuromeris inflatior • †Pleuromeris inflator • †Pleuromeris parva • †Pleuromeris quadrata • †Pleuromeris tortidens • †Pleuronea • †Pleuronea fenestrata • †Pleuronea subpertusa • fungus †Pleurostoma'' • †Pleurostoma adolescens • †Pleurostoma rebeccae • Pleurotoma • †Pleurotoma cristata - original combination for Cochlespira cristata; type species for Cochlespira • Plicatula • †Plicatula filamentosa • †Plicatula variplicata – type locality for species • Pliciscala • †Pliciscala albitesta • †Pliciscala byramensis – type locality for species • †Pliciscala caseyi – type locality for species • †Pliciscala cribrum • †Pliciscala pearlensis • murex snail Poirieria'' • †Poirieria macneili – type locality for species • Polinices • †Polinices aratus • †Polinices weisbordi • †Polyascosoecia • †Polyascosoecia imbricata • Polyschides • †Polyschides margarita • Porella • †Porella compacta – type locality for species • †Porella coronata • †Porella granulosa • †Porella irregularis • †Porella jacksonica • †Porella pungens • Poromya • †Poromya mississippiensis • †Potamides • †Priscoficus • †Priscoficus juvenis • sawfish Pristis'' • †Pristis lathami • Proboscina • †Proboscina geminata • †Projenneria • †Projenneria ludoviciana • †Protoscutella • †Protoscutella mississippensis • †Protoscutella mississippiensis – type locality for species • †Protosurcula • †Protosurcula gabbii • †Prototomus • margin sea snail Prunum'' • †Prunum columba • Pseudamussium • †Pseudamussium corneoides • †Pseudodontaspis • †Pseudodontaspis lauderdalensis – type locality for species • †Pseudodontaspis mississippiensis – type locality for species • †Pseudofulgur – type locality for genus • †Pseudofulgur lirata – type locality for species • †Pseudofulgur vicksburgensis • †Pseudolatirus • †Pseudolatirus tortilis • Pseudoliva • †Pseudoliva perspectiva • †Pseudoliva santander • †Pseudoliva vestusta • †Pseudoliva vetusta • Pseudomalaxis • †Pseudomalaxis rotella • Pteria • †Pteria argentea • †Pteria limula • †Pteria vanwinkleae • †Pterochelus • †Pterochelus angelus • †Pteropsella • †Pteropsella lapidosa • †Pterosphenus • †Pterosphenus schucherti • murex sea snail Pterynotus'' • †Pterynotus burnsii • Puellina • †Puellina radiata • Puncturella • †Puncturella jacksonensis • Pycnodonte • †Pycnodonte johnsoni • †Pycnodonte trigonalis • †Pycnodonte vicksburgensis • Pycnodus'' • †Pycnodus bowerbanki • Pyramidella • †Pyramidella bastropensis • †Pyramidella crassispirata • †Pyramidella dalli • †Pyramidella meyeri • †Pyramidella propeacicula • †Pyramidella pseudopymaea • †Pyramimitra • †Pyramimitra quadralirata • †Pyramimitra terebraeformis • Pyrunculus • †Pyrunculus laevipyrum ==R==

• Rangia • †Rangia cuneata • †Rangia johnsoni • Raphitoma • †Raphitoma veatchi – or unidentified comparable form • †Rectonychocella • †Rectonychocella tenuis • bryozoan ("moss animal") Reteporella'' • †Reteporella laciniosa • Retusa • †Retusa galba • †Retusa jacksonensis • †Retusa sylvaerupis • Rhinobatos • , or cownose rays Rhinoptera'' • Rhizorus – or unidentified comparable form • †Rhizorus volutatus • Rhynchoconger • †Rhynchoconger sanctus • Rictaxis • †Rictaxis andersoni • Ringicula • †Ringicula biplicata • †Ringicula crassata – type locality for species • †Ringicula mississippiensis • Rissoina • †Rissoina mississippiensis ==S==

• †Sablea • †Sablea minuta • Saccella • †Saccella catasarca • †Saccella robusta • †Samelina • †Samelina pilsbryi • triton sea snail Sassia'' • †Sassia abbreviata • †Sassia conradiana • †Sassia jacksonensis • †Sassia septemdentata • †Saxolucina • †Saxolucina gaufia • Scalina • †Scalina rubricollis • †Scalina trapaquara • †Scalina trigintanaria • Scaphander • †Scaphander hilgardi – type locality for species • †Scaphander jacksonensis • †Scaphander primus • Scapharca • †Scapharca chordicosta – type locality for species • †Scapharca delicatula • †Scapharca invidiosa • Scaphella – or unidentified comparable form • †Schizaropsis • †Schizaropsis convexus • Schizaster'' • †Schizaster americanus • †Schizaster armiger • Schizomavella • †Schizomavella longirostris – type locality for species • †Schizopodrella • †Schizopodrella viminea • †Schizorthosecos • †Schizorthosecos grandiporosus • †Schizorthosecos interstitea • †Schizorthosecos interstitia • †Schyliorhinus • †Schyliorhinus enniskilleni • Scobinella • †Scobinella caelata • †Scobinella famelica • †Scobinella ferrosilica • †Scobinella hammettensis • †Scobinella jacksonensis • †Scobinella louisianae • †Scobinella macer • †Scobinella newtonensis • †Scobinella pluriplicata • †Scobinella reticulatoides • Sconsia • †Sconsia lintea • †Sconsia prelintea – type locality for species • Scrupocellaria • †Scrupocellaria clausa • †Scrupocellaria cookei • †Scrupocellaria williardi • catsharks Scyliorhinus'' • †Scyliorhinus gilberti • Seila • †Seila constricta • †Seila quadristriaris • Semele • †Semele mississippiensis • †Semele staminea • Semelina • †Semelina pilsbryi • helmet sea snail Semicassis'' • †Semicassis caelatura • Septifer • †Septifer probolus – type locality for species • †Seraphs • Serpulorbis • †Serpulorbis squamulosus • Sigatica • †Sigatica boettgeri • †Sigatica clarkeana • †Sigatica conradii • †Sinistrella • †Sinistrella americana • moon snail Sinum'' • †Sinum arctatum • †Sinum beatricae • †Sinum bilix • †Sinum danvillense – or unidentified comparable form • †Sinum declive • †Sinum inconstans • †Sinum jacksonense – type locality for species • †Sinum mississippiensis • †Siphomia • †Siphomia claibornensis • Siphonalia'' • †Siphonalia jacksonia • †Siphonalia newtonensis • †Siphonalia sullivani • Siphonochelus • †Siphonochelus curvirostratus • †Siphonochelus gracilis • Skena • †Skena pignus • Smittina • †Smittina angulata • †Smittina denticulifera • top sea snail Solariella'' • †Solariella cancellata • †Solariella louisiana • †Solariella menthafontis – type locality for species • †Solariella stalagmium • †Solariella sylvaerupis • †Solariella tallahalaensis – type locality for species • †Solariella tricostata • Solariorbis • †Solariorbis quadrangularis • †Solariorbis subangulatus • †Solariorbus • †Solariorbus subangulatus • Solecurtus'' • †Solecurtus vicksburgensis • Solena • †Solena abruptus • †Solena lisbonensis • †Sphaerocypraea • †Sphaerocypraea jacksonensis – type locality for species • Spheniopsis • †Spheniopsis mississippiensis • †Sphraena • †Sphraena major – or unidentified comparable form • , or barracuda Sphyraena'' – tentative report • †Spiradaphne • †Spiradaphne lowei • Spisula • †Spisula funerata • †Spisula inaequilateralis • †Spisula jacksonensis • †Spisula mississippiensis • †Spisula parilis • †Spisula praetanius • †Spisula praetenuis • , or spiny oyster Spondylus'' • †Spondylus dumosus • †Spondylus filiaris • Sportella • †Sportella oblonga • †Stamenocella • †Stamenocella anatina • †Stamenocella grandis • †Stamenocella inferaviculifera • †Stamenocella pyriforme • †Steganoporella • †Steganoporella jacksonica • †Steganoporella rectangularia • Sthenorytis • †Sthenorytis witfieldi • †Strepsidura • †Strepsidura heilprini • †Streptochetus • †Streptochetus limulus • †Striatolamia'' • †Striatolamia macrota • Strioterebrum • †Strioterebrum tantula • †Stromatopora • †Stromatopora parvipora • †Stromatopora polygonma • Strombiformis • †Strombiformis caseyi • . Charles R. Knight (1890s). †Subhyracodon'' • †Subhyracodon occidentalis • †Sulcocypraea • †Sulcocypraea healeyi • †Sulcocypraea kennedyi • †Sulcocypraea lintea • †Sulcocypraea vaughani • †Sullivania • †Sullivania fisherensis • †Sullivania hicoricola • †Sullivania perexilis • †Surculoma • †Surculoma falsabenes • †Surculoma kellogii • †Surculoma penrosei • †Surculoma subequalis • Sveltella • †Sveltella parva • †Sveltella sotoensis • Syntomodrillia • †Syntomodrillia collarubra – type locality for species • †Syntomodrillia funis – type locality for species • †Syntomodrillia tantula • †Syphraena ==T==

• †Talpavoides • †Talpavoides dartoni • †Teilhardina'' • †Teilhardina magnoliana • Teinostoma • †Teinostoma caseyi • †Teinostoma minuta – type locality for species • †Teinostoma moodiense • †Teinostoma neodiensa • †Teinostoma verrilli • Tellidorella • †Tellidorella interlacinia – type locality for species • , or tellin Tellina'' • †Tellina linifera • †Tellina lintea • †Tellina pearlensis • †Tellina petropolitana • †Tellina serica • †Tellina subprotexta – type locality for species • †Tellina subtriangularis • †Tellina vicksburgensis • Tenagodus • †Tenagodus vitis • †Tenegodus • †Tenegodus vitis • Tenuiscala • †Tenuiscala aspersa • augur sea snail Terebra'' • †Terebra divisura • †Terebra hiwanneensis – type locality for species • †Terebra jacksonensis • †Terebra tantula • †Terebra texagyra • †Terebrifusus • †Terebrifusus multiplicatus • Teredo • †Teredo mississippiensis • Terrapene • , or common box turtle †Terrapene carolina'' • †Terrebrifusus • †Terrebrifusus amoenus • †Testallium • †Testallium vetustum • Thracia • †Thracia vicksburgensis • †Thracia vicksburgiana • †Tiburnus • †Tiburnus eboreus • †Tiza • †Tiza alta • †Tornatellaea • †Tornatellaea bella • †Tornatellaea lata • Tornus • †Tornus infraplicatus • cockle Trachycardium'' • †Trachycardium eversum • †Trachycardium planicostata – type locality for species • †Transovula • †Transovula symmetrica • †Tretocycloecia • †Tretocycloecia grandis • Trigonopora • †Trigonopora grande • Trigonostoma • †Trigonostoma aurorae – tentative report • †Trigonostoma babylonicum • †Trigonostoma gemmatum • †Trigonostoma panones • Trigonulina • †Trigonulina sotoensis • †Trinacria • †Trinacria menthifontis – type locality for species • Triphora • †Triphora bilineata • †Triphora major • †Triphora meridionalis • †Tritaria • †Tritaria falsus • †Tritaria macilenta • †Tritonatractus • †Tritonatractus montgomeriensis • †Tritonatractus pearlensis • Trochita • †Trochita aperta • Trochocyathus • †Trochocyathus depressus – type locality for species • †Tropisurcula • †Tropisurcula caseyi • †Tropisurcula crenula – tentative report • †Trygon • †Trygon jaekeli • †Trypanotoma • †Trypanotoma longispira • †Trypanotoma terebriformis • Trypostega • †Trypostega venusta • Tubiola • †Tubiola nautiloides • Tudicla – or unidentified comparable form • †Turbinolia • †Turbinolia dickersoni – type locality for species • †Turbinolia insignifica – type locality for species • †Turbinolia pharetra • †Turbinolia vicksburgensis – type locality for species • †Turbinolia wautubbeensis – type locality for species • parasitic pyram sea snail Turbonilla'' • †Turbonilla leafensis – type locality for species • †Turbonilla major • †Turbonilla mississippiensis • Turricula • †Turricula byramensis – type locality for species • †Turricula longiforma • †Turricula plenta • †Turricula plutonica • Turris – report made of unidentified related form or using admittedly obsolete nomenclature • †Turris exsculpata • Turritella'' • †Turritella boycensis – type locality for species • †Turritella carota • †Turritella caseyi – type locality for species • †Turritella clevelandia • †Turritella dobyensis • †Turritella dutexata • †Turritella ghigna • †Turritella gilberti • †Turritella jacksonensis • †Turritella mississippiensis • †Turritella mundula – type locality for species • †Turritella nasuta • †Turritella planigyrata • †Turritella premimetes – or unidentified related form • †Turritella rubricollis – type locality for species • †Turritella saffordi • †Turritella tennesseensis • †Tuscahomaophis – type locality for genus • †Tuscahomaophis leggetti – type locality for species • †Tuscahomys • †Tuscahomys major • †Tuscahomys medius • †Tuscahomys minor • Typhina • †Typhina mississippiensis – type locality for species • †Typhina palmerae • Typhis • †Typhis dentatus ==U==

• †Uintacyon • Umbraculum • †Umbraculum planulatum • †Unitas • †Unitas pearlensis • Uromitra • †Uromitra grantensis • Urosalpinx • †Urosalpinx aspinosus • Ursus • , or American black bear †Ursus americanus'' ==V==