List of the Paleozoic life of Maryland

• †Acanthopecten – tentative report • †Acanthopecten armigerus • †Acanthopecten carboniferus • †Acanthotriletes • †Acanthotriletes pullus • †Acoblatta – type locality for genus • †Acoblatta argillacea – type locality for species • †Actinopteria • †Actinopteria boydi • †Actinopteria boydii • †Actinopteria decussata • †Aglaoglypta • †Aglaoglypta maera • †Ambloblatta – type locality for genus • †Ambloblatta bassleri – type locality for species • †Ambocoelia • †Ambocoelia umbonata • †Ambonychia • †Amphiscapha • †Amphiscapha catilloides • †Amplexopora'' • †Anapiculatisporites • †Anapiculatisporites crassisetus – type locality for species • †Anazyga • †Anazyga recurvirostra – tentative report • †Ancyrospora • †Ancyrospora ancyrea • †Aneurospora • †Aneurospora semizonalis • †Anoplotheca • †Anthraconeilo • †Anthraconeilo taffiana • †Aparchites • †Aparchites punctillosa • †Archaeoscyphia • †Archaeotriletes • †Archaeotriletes aduncus • †Archaeozonotriletes • †Archaeozonotriletes notatus • †Archimylacris • †Archimylacris delicata – type locality for species • †Arthroacantha • †Arthroacantha punctobrachiata – or unidentified comparable form • †Astartella • †Astartella concentrica • †Astartella vera • †Atlanticocoelia • †Atrypa • †Atrypa reticularis'' – report made of unidentified related form or using admittedly obsolete nomenclature • †Aviculopecten ==B==

• †Bactrites • Bairdia • †Bassipterus • †Bassipterus virginicus • †Batostomella • †Bellefontia • †Bellefontia collieana – tentative report • †Bellerophon'' • †Bellerophon clarki • †Beyrichia • †Beyrichia moodeyi • †Beyrichia veronica • †Biharisporites • †Biharisporites maguashensis • †Bolbiprimitia • †Bollia • †Bollia immersa • †Bollia nitida • †Bollia pulchella • †Bonnemaia • †Bonnemaia celsa • †Bonnemaia perlonga • †Brachymylacris • †Brachymylacris martini – type locality for species • †Brochotriletes • †Bucania – tentative report • †Buthotrephis • †Buthotrephis gracilis • †Buthrotrephis • †Byssonychia • †Byssonychia radiata • Bythocypris • †Bythocypris obesa • †Bythocypris pergracilis ==C==

• †Calamospora • †Calamospora atava • †Calamospora nigrata • †Calymene • †Calymene camerata • †Calymene cresapensis • †Calymene niagarensis'' – or unidentified comparable form • †Calymene niagraensis • †Camarotoechia • †Camarotoechia andrewsi • †Camarotoechia litchfieldensis • †Camarotoechia tonolowayensis • †Cariniferella • †Cariniferella carinata • †Cavellina • †Ceratopea • †Cheliphlebia – tentative report • †Cheliphlebia argillacea – type locality for species • †Chonetes • †Chonetes novascoticus • †Chonetina • †Chonetina verneuilianus • †Chonostrophia • †Cincinnetina'' • †Cincinnetina multisecta • †Clidophorus • †Clidophorus nitidus • †Clitendoceras • †Coelospira • †Coelospira nitens • †Coelospira sulcata • †Composita • †Composita ovata – tentative report • †Conularia • †Conularia niagarensis • †Convolutispora • †Convolutispora subtilis • †Coreanoceras • †Cornulites'' • †Cornulites concavus • †Cornulites rosehillensis • †Corvellites • †Crurithyris • †Crurithyris planoconvexa • †Cryptolithus • †Ctenodonta • †Ctenodonta subreniformis • †Culunana • †Culunana attenuata • †Cupularostrum • †Cupularostrum contracta • †Cyathophyllum • †Cymatospira • †Cymatospira montfortianus • †Cyphomylacris – type locality for genus • †Cyphomylacris atrata – type locality for species • †Cyphotrypa • †Cypricardella • †Cypricardella crassa • †Cypricardella cumberlandiae • †Cypricardella gregaria • †Cypricardella nitidula • †Cypricardella tenuistriata • †Cypricardinia • †Cypricardinia elegans • †Cyrtina • †Cyrtodontula • †Cyrtodontula subtruncata ==D==

• †Dakeoceras • †Dalmanites'' • †Dalmanites limulurus • †Dekayia • †Delthyris • †Delthyris vanuxemi • †Derbyia • †Derbyia crassa • †Diaphanospora • †Diaphanospora reticulatus • †Diaphelasma • †Dibolbina • †Dibolbina cristata • †Dictyotriletes • †Dinoblatta – type locality for genus • †Dinoblatta cubitalis – type locality for species • †Dinoblatta fortis – type locality for species • †Diparelasma • †Dizygopleura • †Dizygopleura acuminata • †Dizygopleura carinata • †Dizygopleura conjugata • †Dizygopleura costata • †Dizygopleura gibba • †Dizygopleura halli • †Dizygopleura intermedia • †Dizygopleura micula • †Dizygopleura perrugosa • †Dizygopleura pricei • †Dizygopleura proutyi • †Dizygopleura simulans • †Dizygopleura subdivisa • †Dizygopleura subovalis • †Dizygopleura swartzi • †Dizygopleura symmetrica • †Dolichopterus'' • †Doloresella • †Donaldina • †Donaldina stevensana • †Drepanellina • †Drepanellina clarki • †Drepanellina ventralis • †Dunbarella • †Dunbarella striata – type locality for species ==E==

• †Ecculiomphalus • †Edmondia • †Edmondia aspenwallensis • †Edmondia pseudoreflexa – type locality for species • †Eldredgeops • †Eldredgeops rana • †Elita • †Ellesmeroceras • †Emphanisporites • †Emphanisporites annulatus • †Emphanisporites rotatus • †Encrinurus • †Encrinurus ornatus • †Endocycloceras • †Endocycloceras legorense • †Eospirifer • †Eospirifer crispus • †Erettopterus'' – tentative report • †Escharendoceras • †Euchondria • †Euchondria levicula – tentative report • †Eukloedenella • †Eukloedenella elongata • †Eukloedenella punctillosa • †Eukloedenella sinuata • †Eukloedenella sulcifrons • †Eukloedenella umbilicata • †Euomphalus • †Euphemites • †Euphemites vittatus • †Eurypterus'' • †Eurypterus remipes • †Euthydesma ==F==

• †Favosites'' • †Favosites niagarensis – or unidentified comparable form • †Finkelnburgia • †Finkelnburgia virginica – tentative report • †Fistulipora • †Flexicalymene • †Floweria • †Floweria chemungensis • †Foveosporites • †Foveosporites insculptus ==G==

• †Gasconadia • †Gasconadia putilla • †Geminospora • †Geminospora svalbardiae • †Geminospora tuberculata • †Girtyspira • †Girtyspira minuta • †Glabrocingulum • †Glabrocingulum grayvillense • †Glabrocingulum ornatum • †Glyptoglossella • †Glyptoglossella cavellosa • †Glyptorthis • †Glyptorthis equiconvexa – type locality for species • †Goniatites'' • †Grammysia • †Gyrodoma • †Gyrodoma marylandica ==H==

• †Halliella • †Halliella fissurella • †Halliella subequata • †Hallopora'' • †Healdia • †Hebertella • †Hebertella sinuata • †Hemimylacris – type locality for genus • †Hemimylacris bassleri – type locality for species • †Heterotrypa • †Hindella • †Hindella congregata • †Hippocardia • †Hippocardia cumberlandiae – type locality for species • †Holopea'' • †Homeospira • †Homeospira evax • †Hormotoma • †Hormotoma hopkinsi • †Hormotoma rowei • †Hyolithes • †Hystricosporites • †Hystricosporites porcatus • †Hystriculina – tentative report • †Hystriculina wabashensis • †Hystricurus ==I==

• †Inaperaturate • †Ischyrodonta – tentative report • †Ischyrodonta truncata • . †Isotelus'' ==J==

• †Juresania • †Juresania symmetrica – tentative report ==K==

• †Kitikamispira • †Kitikamispira concinna • †Kitikamispira multistriata • †Kloedenella • †Kloedenella cornuta • †Kloedenella immersa • †Kloedenella intermedia • †Kloedenella nitida • †Kloedenia • †Kloedenia normalis • †Kyammodes • †Kyammodes swartzi ==L==

• †Lasiocrinus • †Lasiocrinus scoparius – or unidentified comparable form • †Lecanospira • †Lecanospira compacta – tentative report • †Leiorhynchus • †Leperditia • †Leperditia alta • †Leperditia elongata • †Leptaena • †Leptaena rhomboidalis – report made of unidentified related form or using admittedly obsolete nomenclature • †Lepterditia • †Leptodesma • †Leptodesma marylandica • †Leptodesma naviforme • †Leptodesma nitida • †Leptodesma spinerigum • †Leptodesma subplana – or unidentified comparable form • †Leptostrophia • †Leptostrophia proutyi • †Lesueurilla • †Levenea • †Lichenaria • †Lingula'' • †Lingula carbonaria • †Lingula gracilis • †Linoproductus • †Linoproductus prattenianus • †Liocalymene • †Liocalymene clintoni • †Lobosiphon • †Longispina • †Lophotriletes • †Lophotriletes atratus • †Loxonema • †Lyrodesma • †Lyrodesma poststriatum • showing speculative egg-coiling behavior †Lysorophus'' • †Lytospira ==M==

• †Macluritella • †Macluritella marylandica – type locality for species • †Mastigobolbina • †Mastigobolbina arguta • †Mastigobolbina lata • †Mastigobolbina typus • †Mcqueenoceras • †Meekospira • †Meekospira percuta – or unidentified related form • †Megamolgophis • †Megamolgophis agostini • †Melanoblattula – type locality for genus • †Melanoblattula nigrescens – type locality for species • †Meristina • †Metacoceras'' • †Metacoceras marylandica – type locality for species • †Modiolopsis • †Modiolopsis gregarius • †Modiolopsis leightoni • †Modiolopsis modiolaris • †Modiomorpha • †Monticulipora • †Mylacris • †Mylacris lapsa – type locality for species • †Mysticoceras ==N==

• †Narkema • †Narkema alternatum – type locality for species • †Naticopsis'' • †Neochonetes • †Neochonetes granulifer • †Neospirifer • †Neospirifer dunbari – tentative report • †Nucleospira • †Nucularca • †Nucularca pectunculoides • †Nuculites • †Nuculopsis • †Nuculopsis anadontoides • †Nuculopsis girtyi ==O==

• †Obolella • †Obolus – tentative report • †Ochetopteron – type locality for genus • †Ochetopteron canaliculatum – type locality for species • †Octonaria • †Octonaria muricata • †Olenellus'' • †Olethroblatta • †Olethroblatta lineolata – type locality for species • †Ophileta • †Orbiculoidea • †Orbiculoidea missouriensis – tentative report • †Ormoceras • †Ormoceras neumani • †Orospira • †Orthoceras • †Orthoceras mackenzicum • †Orthomylacris • †Orthomylacris berryi – type locality for species • †Orthomylacris recta – type locality for species • †Orthonychia • †Orthonychia prosseri • †Orthonychia unguiculata • †Orthopora • †Orthorhynchula • †Orthorhynchula linneyi ==P==

• †Pachyblatta – type locality for genus • †Pachyblatta convexa – type locality for species • †Pachyblatta radiata – type locality for species • †Palaeoneilo • †Palaeoneilo angusta • †Palaeoneilo brevis • †Palaeoneilo clarkei • †Palaeoneilo constricta • †Palaeoneilo crassa • †Palaeoneilo petila • †Palaeoneilo plana • †Palaeozygopleura • †Palaeozygopleura glabra – tentative report • †Palaeozygopleura hamiltoniae • †Palaeozygopleura styliola • †Palaeozygopleura terebra • †Paleonucula • †Paleonucula croneisi • †Paleyoldia – type locality for genus • †Paleyoldia glabra • †Paracyclas • †Paracyclas lirata • †Paraechmina • †Paraechmina abnormis • †Paraechmina crassa • †Paraechmina depressa • †Paraechmina postica • †Paraechmina spinosa • †Parajuresania • †Parajuresania nebrascensis – tentative report • †Parallelodon • †Parallelodon tenuistriata • †Patellilabia • †Patellilabia tentoriolum – tentative report • †Permophorus • †Permophorus oblongus • †Peronopora – tentative report • †Pharkidonotus • †Pharkidonotus percarinatus • †Pholidops • †Pholidops squamiformis • †Pholidostrophia • †Phragmosiphon • †Phymatopleura • †Phymatopleura brazonensis • †Pintopsis • †Plagioglypta • †Plagioglypta annulostriata • †Platyceras'' • †Platyceras marylandicum • †Platyceras niagarense • †Platysiphon • †Plectonotus • †Plectonotus boucoti • †Plethobolbina • †Plethobolbina cornigera • †Plethobolbina typicalis • †Pleurophorus • †Pleurophorus occidentalis • †Pliendoceras • †Polidevcia – type locality for genus • †Polidevcia bellistriata • †Polytoechia – tentative report • †Praenucula • †Praenucula lavata • †Proterocameroceras • †Prothyris • †Prothyris singewaldi – type locality for species • †Protodouvillina • †Psalikilus • †Pseudoatrypa • †Pseudorthoceras • †Pseudorthoceras knoxense • †Pseudozygopleura • †Pseudozygopleura girtyi – or unidentified comparable form • †Pterinea • †Pterinea demissa • †Pterinea flintstonensis • †Pterygotus'' • †Pterygotus marylandicus • †Punctatisporites • †Punctatisporites calamites • †Punctatisporites glaber • †Punctatisporites laevigatus • †Punctatisporites solidus ==R==

• †Rafinesquina • †Rafinesquina alternata • †Rafinesquina corrugata • †Resserella • †Resserella elegantula • †Reticularia • †Reticularia bicostata • †Retroclitendoceras • †Retusotriletes • †Retusotriletes goensis • †Retusotriletes planus • †Retusotriletes punctatus • †Rhabdosporites • †Rhabdosporites parvulus • †Rhipidomella • †Rhombopora – tentative report • †Rhombopora lepidendroides – or unidentified comparable form • †Rhynchospirina • †Rhynchospirina globosa • †Ribeiria • †Rioceras • †Ruedemannia – tentative report • †Ruedemannia lirata ==S==

• †Samarisporites • †Samarisporites grossicorrugatus – type locality for species • †Samarisporites grossicorugatus • †Sansabella • †Schellwienella • †Schellwienella elegans • †Schellwienella rugosa • †Schellwienella tenuis • †Schizodus • †Schizodus curtus • †Schizodus oherni • †Schizodus wheeleri • †Schuchertella • †Serpulopsis • †Serpulopsis insita • †Shansiella • †Shansiella carbonaria – tentative report • †Shellwienella • †Shellwienella elegans • Solemya'' • †Solemya radiata • †Solemya trapezoides • †Soleniscus • †Soleniscus primigenius • † Solenopsis • †Solenopsis solenoides • †Sowerbyella • †Sowerbyella serica • †Sowerbyella sericea • †Spaniodera – tentative report • †Spaniodera simplex – type locality for species • †Spelaeotriletes • †Spinozonotriletes • †Spirifer'' • †Spirifer disjunctus • †Spirifer vanuxemi • †Stegerhynchus • †Stegerhynchus neglectum • †Stenosiphon • †Stereostylus • †Stereostylus profundus • †Stichotrophia • †Straparollus • †Straparollus marylandicus • †Strobeus • †Strobeus paludinaeformis • †Strophomena'' • †Syntrophinella ==T==

• †Tainoceras • †Tainoceras monolifer • †Tancrediopsis • †Tancrediopsis cuneata • †Tentaculites'' • †Tentaculites gyracanthus • †Tentaculites minutus • †Tentaculites niagarense • †Tentaculites niagarensis • †Tetralobula • †Trigonocera • †Trimerus • †Trimerus delphinocephalus • †Tritoechia • †Truncalosia • †Turbonopsis • †Turbonopsis coronola – type locality for species ==U==

• †Uncinulus • †Uncinulus marylandicus • †Uncinulus obtusiplicatus • †Uncinulus stricklandi ==V==