Paleozoic
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Main article: List of the Paleozoic life of Wyoming |
Selected Paleozoic taxa of Wyoming
- †Actinoceras
- †Agassizodus
- †Agnostogonus
- †Amphiscapha
- †Amplexus
- †Archaeocidaris
Life restoration of the Middle-Late Ordovician jawless fish Astraspis - †Aviculopecten
- †Aviculopecten basilicus – or unidentified comparable form
- †Aviculopecten girtyi
- †Aviculopecten gryphus
- †Aviculopecten kaibabensis – or unidentified comparable form
- †Bellerophon
- †Blountiella
- †Bowmania
- †Bucheria – type locality for genus
Restorative portrait of the Permian synapsid (mammal prescursor) Burnetia - †Campodus
- †Caninia
- †Cardipeltis
- †Catenipora
- †Cavusgnathus
- †Cedaria
- †Cephalaspis
- †Charactoceras – tentative report
- †Chirognathus
- †Chonetes
- †Cleiothyridina
- †Cleiothyridina atrypoides
- †Cleiothyridina elegans – or unidentified related form
- †Cleiothyridina hirsuta
- †Cleiothyridina sublamellosa – or unidentified related form
- †Coleodus
Fossilized shell of the Late Devonian-Permian brachiopod Composita - †Composita elongata
- †Composita laevis – or unidentified related form
- †Composita mira
- †Composita ovata
- †Composita sigma
- †Composita subquadrata
- †Composita subtilita
- †Composita sulcata
- †Conocardium
- †Coosella
- †Coosia
- †Coosina
- †Cordylodus
- †Crepicephalus
- †Ctenacanthus
- †Cyrtogomphoceras
- †Deckera
- †Dentalium
- †Distichophytum
- †Drepanophycus
- †Earlandia
- †Edmondia
Fossilized shells and restored appearances of the Middle-Late Ordovician nautiloid cephalopod Endoceras - †Euomphalus
- †Favosites
- †Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature
- †Genevievella
- †Geragnostus
- †Girvanella
- †Glikmanius
- †Glyptopleura
- †Goniatites – tentative report
- †Gosslingia
Life restoration of the Permian Chimaera relative Helicoprion - †Homagnostus
- †Hyolithes
- †Hypseloconus
- †Idiognathoides
- †Ithyektyphus
- †Janassa
- †Kendallina
- †Kingstonia
- †Kionoceras
- †Kochoceras
- †Lambeoceras
- † Leclercqia
- †Lingula
- †Lingulella
- †Liroceras
- †Lonchocephalus
- †Maryvillia
- †Metacoceras
Restoration of the Cambrian trilobite Meteoraspis - †Micromitra
- †Minicephalus – type locality for genus
- †Naticopsis
- †Naticopsis judithae
- †Naticopsis kaibabensis
- †Naticopsis marthaae – or unidentified comparable form
- †Neospirifer
- Nucula – tentative report
- †Olenoides
- †Ozarkodina
- †Paladin
- †Paractinoceras
- †Peripetoceras
Fossilized shell of the Ordovician brachiopod Plaesiomys - †Platyceras
- †Platystrophia
- †Posidonia
- †Prodentalium
- †Protaspis
- †Pseudomelania – tentative report
- †Psilophyton
- †Rawlinsella
- †Renalia
- †Sallya
Fossil of the Cambrian-Ordovician trilobite Saukiella - †Sawdonia
- Solemya
- †Solenochilus
- †Spiriferina
- †Spyroceras
- †Stearoceras
- †Streptognathodus
- †Strophomena
- †Syspacheilus
- †Tainoceras
- †Tetrataxis
Fossil of the Cambrian trilobite Tricrepicephalus - †Uncaspis
- †Uranolophus
- †Westonoceras
- †Wilkingia
- †Winnipegoceras
- †Worthenia
- †Zellerina
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