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Wheeler Shale

The Wheeler Shale is a Cambrian (c. 507 Ma) fossil locality world-famous for prolific agnostid and Elrathia kingii trilobite remains and represents a Konzentrat-Lagerstätte. Varied soft bodied organisms are locally preserved, a fauna and preservation style normally associated with the more famous Burgess Shale. As such, the Wheeler Shale also represents a Konservat-Lagerstätten.

Taphonomy and sedimentology
Detailed work recognises a number of ~10 m thick lagerstätten sequences in the formation, each of which formed at a sea-level highstand in deep water. The lagerstätte were deposited by turbidities and mudslides onto an oxygenated sea floor. == Stratigraphy ==
Stratigraphy
The Wheeler Shale spans the Ptychagnostus atavus and uppermost-Middle Cambrian Bolaspidella trilobite zones (See House Range for full stratigraphy). ==Fauna==
Fauna{{anchor|Burgess Shale-type fauna}}
prolata'' Incomplete list of the fauna of the Wheeler Shale: (Note: the preservation of hard bodied trilobite remains and soft bodied animals seems to be mutually exclusive within particular horizons.) ProtistaMarpolia spissa - cyanobacteria or green algaeMorania fragmenta - cyanobacteria ArthropodaAlalcomenaeus cambricus - megacheiran • Branchiocaris pretiosa - hymenocarineBranchiocaris sp. • Cambropodus gracilis - possible myriapodCanadaspis perfecta - hymenocarine • Dicerocaris opisthoecesDicranocaris guntherorum - possible megacheiran? • Emeraldella brocki - vicissicaudatan • IsoxysLeanchoilia superlata - megacheiran • Megachelicerax - chelicerateMollisonia symmetrica - mollisoniid chelicerate • Perspicaris dilatus hymenocarine • Pseudoarctolepis sharpi - possible hymenocarineSidneyia inexpectans - vicissicaudatan • Tuzoia? peterseni - hymenocarine • Waptia fieldensis - hymenocarine Dinocaridida Amplectobelua cf. A. stephenensisradiodontAnomalocarididae gen. et sp. nov. - radiodont • Utaurora comosa - opabiniid TrilobitaNaraoia compacta - naraoiid nectaspidHypagnostus parvifrons - agnostidPeronopsis amplaxis - peronopsid agnostid • Peronopsis bidensPeronopsis fallaxPeronopsis gaspensisPeronopsis intermediusPeronopsis interstrictusPeronopsis montisPeronopsis segmentisPtychagnostus atavus (= Acidusus atavus) - ptychagnostid agnostid • Ptychagnostus germanusPtychagnostus gibbus • Ptychagnostus intermediusPtychagnostus michaeliPtychagnostus occultatusPtychagnostus seminulaGlyphaspis concavus - asaphidBathyuriscus fimbriatus - dolichometopid corynexochidBathyuriscus sp.Kootenia sp. - dorypygid corynexochid, perhaps a synonym of OlenoidesOlenoides expansus - dorypygid corynexochid • Olenoides nevadensisOlenoides serratusTonkinella brevicepsZacanthoides divergens - zacanthoidid corynexochid • Zacanthoides sp.Altiocculus harrisi - ptychopariid (specific name may be confused with Alokistocare) • Alokistocare harrisi - alokistocarid ptychopariid • Asaphiscus wheeleri - ptychopariid; second-most common species in the formation • Bathyocos housensis - ptychopariid • Bolaspidella drumensisBolaspidella housensisBolaspidella sp.Bolaspidella wellsvillensisBrachyaspidion micropsBrachyaspidion sulcatumCedaria minor - known from the Warrior FormationElrathia kingii - alokistocarid ptychopariid • Elrathia sp.Elrathina wheeleri = Ptychoparella wheeleri? - ptychopariid • Jenkinsonia vargaModocia brevispinaModocia laevinuchaModocia typicalisPtychoparella sp. - ptychopariid • Ptychoparella wheeleriSpencella sp. - ptychopariid BrachiopodaAcrothele subsidua ChordataHertzina sp. - conodont CnidariaCambromedusa sp. - jellyfish MolluscaPelagiella sp. - pelagiellid helcionelloid EchinodermataCastericystis sprinklei - soluteCastericystis sp.Cothurnocystis sp. - stylophoran • Ctenocystis sp. - ctenocystoidGogia spiralis - eocrinoid • Eocrinoid holdfasts believed to belong to Gogia spiralis; may belong to other species PoriferaChoia carteri - choiid protomonaxonid demospongeChoia utahensisCrumillospongia sp. - hazeliid protomonaxonid demosponge • Diagonella sp. PriapulidaOttoia prolifica - archaeopriapulidSelkirkia sp. - archaeopriapulidSelkirkia willoughbyi- archaeopriapulid UnclassifiedHallucigenia sparsa - hallucigeniid lobopodAllonnia cf. tintinopsis - a chancelloriidChancelloria pentacta - chancelloriidEldonia sp. - eldoniid cambroernidSkeemella clavula - Possible vetulicolian • Hylolithellus sp. - annelid? • Wiwaxia corrugata - halwaxiid? lophotrochozoan • Yuknessia simplex - pterobranch • Margaretia dorus - tube associated with the hemichordate Oesia == References ==
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