List of the prehistoric life of Wyoming

This list of the prehistoric life of Wyoming contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Wyoming.

Precambrian The Paleobiology Database records no known occurrences of Precambrian fossils in Alabama. (Why is Alabama the focus in an article about Wyoming?)

Paleozoic

Selected Paleozoic taxa of Wyoming †Actinoceras †Agassizodus †Agassizodus variabilis †Agnostogonus †Amphiscapha †Amplexus †Anarthraspis chamberlini †Archaeocidaris †Astraspis †Astraspis desiderata †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 †Burnetia †Campodus †Caninia †Cardipeltis †Cardipeltis wallacii †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 †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 †Ctenacanthus amblyxiphias †Cyrtogomphoceras †Deckera †Dentalium †Distichophytum †Drepanophycus †Earlandia †Edmondia †Endoceras †Euomphalus †Favosites †Gastrioceras – report made of unidentified related form or using admittedly obsolete nomenclature †Genevievella †Geragnostus †Girvanella †Glikmanius †Glikmanius occidentalis †Glyptopleura †Goniatites – tentative report †Gosslingia †Helicoprion †Helicoprion davisii †Homagnostus †Hyolithes †Hypseloconus †Idiognathoides †Ithyektyphus †Janassa †Kendallina †Kingstonia †Kionoceras †Kochoceras †Lambeoceras † Leclercqia †Lingula †Lingulella †Liroceras †Lonchocephalus †Maryvillia †Metacoceras †Meteoraspis †Micromitra †Minicephalus – type locality for genus †Naticopsis †Naticopsis judithae †Naticopsis kaibabensis †Naticopsis marthaae – or unidentified comparable form †Neospirifer †Neospirifer bakeri Nucula – tentative report †Olenoides †Ozarkodina †Paladin †Paractinoceras †Peripetoceras †Plaesiomys †Platyceras †Platystrophia †Posidonia †Prodentalium †Protaspis †Pseudomelania – tentative report †Psilophyton †Rawlinsella †Renalia †Sallya †Saukiella †Sawdonia Solemya †Solenochilus †Spiriferina †Spyroceras †Stearoceras †Streptognathodus †Strophomena †Syspacheilus †Tainoceras †Tetrataxis †Tricrepicephalus †Uncaspis †Uranolophus †Westonoceras †Wilkingia †Winnipegoceras †Worthenia †Zellerina

Mesozoic

Selected Mesozoic taxa of Wyoming Acipenser †Adocus †Agathaumas – type locality for genus †Agathaumas sylvestris – type locality for species †Agerostrea †Albanerpeton †Albanerpeton galaktion †Albanerpeton nexuosus – type locality for species †Albertosaurus – or unidentified comparable form †Allognathosuchus †Allosaurus – type locality for genus †Allosaurus fragilis – type locality for species †Alphadon †Alphadon attaragos – type locality for species †Alphadon halleyi †Alphadon marshi †Alphadon sahnii †Amblotherium – type locality for genus Amia †Amphicoelias †Amphicoelias brontodiplodocus – type locality for species †Amphidon – type locality for genus †Amphidon superstes – type locality for species †Anaklinoceras †Anaschisma – type locality for genus †Ancorichnus †Andromeda †Anemia †Angistorhinus – type locality for genus †Angistorhinus aeolamnis – type locality for species †Angistorhinus gracilis – type locality for species †Angistorhinus grandis – type locality for species †Angistorhinus maximus – type locality for species †Anisoceras †Ankylosaurus †Ankylosaurus magniventris Anomia Anona Antrimpos †Apatosaurinae †Apatosaurus †Apatosaurus louisae †Apatosaurus minimus †Aploconodon – type locality for genus †Aploconodon comoensis – type locality for species Aporrhais †Aquilina – type locality for genus Aralia Araucaria Arca – report made of unidentified related form or using admittedly obsolete nomenclature †Archaeotrigon – type locality for genus †Arcticoceras †Arenicolites Aspideretes †Asplenium †Astarta Astarte † Atira – tentative report †Atokatheridium – or unidentified comparable form †Aublysodon †Aublysodon mirandus †Baculites †Baculites asper †Baculites asperiformis †Baculites baculus †Baculites clinolobatus †Baculites cobbani †Baculites codyensis †Baculites crickmayi †Baculites elaisi †Baculites eliasi †Baculites gilberti †Baculites grandis †Baculites gregoryensis †Baculites haresi †Baculites jenseni – or unidentified comparable form †Baculites mariasensis †Baculites mclearni †Baculites obtusus †Baculites perplexus †Baculites reesidei †Baculites rugosus †Baculites scotti †Baena †Baptanodon Barbatia – tentative report †Barosaurus †Barosaurus lentus †Basilemys †Belonostomus †Belonostomus longirostris Bombur †Borealosuchus †Borealosuchus sternbergii – type locality for species Botula †Botula ripleyana Brachaelurus †Brachiosaurus †Brachybrachium – type locality for genus †Brachybrachium brevipes – type locality for species †Brachychampsa †Brachychampsa montana †Brachyphyllum †Brontopodus – or unidentified comparable form †Brontosaurus – type locality for genus †Brontosaurus excelsus – type locality for species †Brontosaurus parvus – type locality for species †Brontosaurus yahnahpin – type locality for species †Bryceomys †Cadoceras Callista †Calycoceras †Camarasaurus – type locality for genus †Camarasaurus grandis – type locality for species †Camarasaurus lentus – type locality for species Campeloma †Camptosaurus †Camptosaurus dispar – type locality for species † Canna †Cedrobaena †Celastrus – tentative report †Ceramornis – type locality for genus †Ceramornis major – type locality for species †Ceratodus †Ceratosaurus Cercidiphyllum Cerithium – tentative report †Chamops – type locality for genus †Champsosaurus †Chelonipus – or unidentified comparable form Chiloscyllium †Chirotherium †Chirotherium barthii Chlamys †Chondroceras †Cimexomys †Cimexomys minor †Cimolestes †Cimolestes incisus – type locality for species †Cimolestes stirtoni – type locality for species †Cimolodon †Cimolodon nitidus – type locality for species †Cimolomys †Cimolomys clarki †Cimolomys gracilis – type locality for species †Cimolomys parvus – type locality for species †Cimolopteryx †Cimolopteryx maxima – type locality for species †Cimolopteryx rara Cinnamomum Cissus Cladophlebis †Cladophlebis parva †Cladophlebis readi – type locality for species †Cladophlebis wyomingensis – type locality for species †Claraia †Claraia clarai †Claraia mulleri †Claraia stachei †Clemensodon – type locality for genus †Clemensodon megaloba – type locality for species †Coelosuchus – type locality for genus †Coelurus – type locality for genus †Coelurus fragilis – type locality for species †Collignoniceras †Collignoniceras woollgari †Comobatrachus – type locality for genus †Comodactylus – type locality for genus †Comodactylus ostromi – type locality for species †Comodon – type locality for genus †Comodon gidleyi – type locality for species †Comonecturoides – type locality for genus †Comotherium – type locality for genus †Compsemys †Coniophis – type locality for genus †Corax Corbula †Coriops †Corosaurus †Corosaurus alcovensis Crenella †Cretorectolobus †Cretorectolobus olsoni †Ctenacodon – type locality for genus †Ctenacodon laticeps – type locality for species †Ctenacodon scindens – type locality for species †Ctenacodon serratus – type locality for species †Cteniogenys – type locality for genus Cucullaea †Cunningtoniceras Cuspidaria †Dakotasaurus – type locality for genus †Daspletosaurus †Deinonychus †Deinonychus antirrhopus †Deltatheroides – or unidentified comparable form †Dennstaedtia Dentalium †Dentalium pauperculum †Derrisemys †Desmatosuchus †Dicotyledon †Didelphodon †Didymoceras †Didymoceras nebrascense †Didymoceras stevensoni †Dinochelys †Diospyros †Diplocraterion †Diplodocinae †Diplodocus †Diplodocus carnegii – type locality for species †Diplodocus hallorum †Diplodocus longus †Discoscaphites †Docodon – type locality for genus †Docodon affinis – type locality for species †Docodon crassus – type locality for species †Docodon striatus – type locality for species †Docodon superus – type locality for species †Docodon victor – type locality for species †Dolichobrachium – type locality for genus †Dolichorhynchops †Dolichorhynchops osborni †Doratodon – tentative report †Dorsetisaurus †Drinker – type locality for genus †Drinker nisti – type locality for species †Dromaeosaurus †Dryolestes – type locality for genus Dryopteris †Dryosaurus †Dryosaurus altus – type locality for species †Dryptosaurus – or unidentified comparable form †Dyslocosaurus – type locality for genus †Dyslocosaurus polyonychius – type locality for species †Echidnocephalus – tentative report †Edmontonia †Edmontonia rugosidens – or unidentified comparable form †Edmontosaurus †Edmontosaurus annectens – type locality for species †Elaphrosaurus – tentative report †Elasmosaurus †Emarginachelys †Empo †Enneabatrachus – type locality for genus †Enneabatrachus hechti – type locality for species †Eobatrachus – type locality for genus †Eocephalites †Eopelobates †Equisetum †Essonodon †Essonodon browni †Eubostrychoceras †Eubrachiosaurus – type locality for genus †Eubrachiosaurus browni – type locality for species †Eucalycoceras †Eucrossorhinus †Euomphaloceras †Euspira †Euthlastus – type locality for genus †Eutrephoceras †Eutretauranosuchus †Eutretauranosuchus delfsi †Exiteloceras †Exogyra †Exogyra costata Fasciolaria Ficus †Forresteria †Fosterovenator – type locality for genus †Foxraptor – type locality for genus †Fraxinus †Galeamopus †Galeamopus hayi †Galeamopus pabsti – type locality for species †Gargoyleosaurus †Gargoyleosaurus parkpinorum Gerrhonotus – or unidentified comparable form †Gervillaria †Gervillia †Gilmoremys †Gilmoremys lancensis – type locality for species Ginglymostoma Ginkgo †Ginkgo adiantoides – tentative report †Glyptops – type locality for genus Glyptostrobus †Gobiconodon †Goniopholis †Gryphaea †Habrosaurus – type locality for genus †Habrosaurus dilatus – type locality for species †Hamites †Haplocanthosaurus †Harpactognathus – type locality for genus †Harpactognathus gentryii – type locality for species †Heptasuchus – type locality for genus †Heptasuchus clarki – type locality for species †Hesperosaurus – type locality for genus †Hesperosaurus mjosi – type locality for species †Heteroceras †Hoploscaphites †Hoploscaphites birkelundae – type locality for species †Hoploscaphites gilli †Hoploscaphites nodosus †Hoploscaphites plenus †Hoploscaphites quadrangularis †Hybodus †Hybodus montanensis †Hybodus wyomingensis – type locality for species †Hyperodapedon †Hyperodapedon sanjuanensis – or unidentified comparable form †Ichthyodectes †Inoceramus †Inoceramus agdjakendensis – or unidentified comparable form †Inoceramus americanus – type locality for species †Inoceramus anglicus †Inoceramus balchii †Inoceramus barabini †Inoceramus crispii †Inoceramus deformis †Inoceramus dimidius †Inoceramus erectus – or unidentified related form †Inoceramus fibrosus †Inoceramus fragilis – or unidentified related form †Inoceramus gibbosus †Inoceramus glacierensis †Inoceramus grandis †Inoceramus incurvus †Inoceramus lundbreckensis †Inoceramus perplexus †Inoceramus prefragilis