page_title: List of the prehistoric life of Oklahoma
section_title: Selected Paleozoic taxa of Oklahoma
hierarchical_section_title: List of the prehistoric life of Oklahoma / Paleozoic / Selected Paleozoic taxa of Oklahoma
caption_attribution_description: Cacops aspidephorus
context_page_description: This list of the prehistoric life of Oklahoma contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Oklahoma.
context_section_description: †Abyssomedon – type locality for genus
  †Abyssomedon williamsi – type locality for species
   †Acheloma
  †Acheloma cumminsi – or unidentified comparable form
  †Acheloma dunni – type locality for species
  †Acleistorhinus – type locality for genus
  †Acleistorhinus pteroticus – type locality for species
  †Albertoceras
  †Alethopteris
  †Alethopteris serlii
  †Alexandrinia
  †Alexandrinia directa – type locality for species
  Ammodiscus
  †Amphiscapha
  †Anabathra
  †Ananaspis
  †Anataphrus
  †Angelosaurus
  †Angelosaurus romeri – type locality for species
  † Anisophyllum
   †Annularia
  †Annularia sphenophylloides
  †Annularia stellata
  †Anomphalus
  †Anthracoceras
  †Aphlebia
  †Archaeocidaris
  Archaeolithophyllum
  † Archeria
  †Archimedes
  †Archimedes distans
  †Archimedes meekanoides
  †Archimedes meekanus – or unidentified comparable form
  †Arkanites
  †Aspidosaurus – or unidentified comparable form
  †Athyris
  †Atrypa
   †Aviculopecten
  †Aviculopecten halensis
  †Aviculopecten multilineatus
  †Aviculopecten nodocosta – type locality for species
  †Avonia – tentative report
  †Axinolobus
  †Baeotherates – type locality for genus
  †Baeotherates fortsillensis – type locality for species
  †Bellerophon
  †Benthamaspis
  †Bicornella
  †Bilinguites
  †Bisatoceras – type locality for genus
  †Bolbocephalus
  †Bolosaurus
  †Bolosaurus grandis – type locality for species
  †Bolosaurus striatus
  †Bolterpeton – type locality for genus
  †Bothriocidaris
   †Cacops
  †Cacops morrisi – type locality for species
  †Cacops woehri – type locality for species
  †Calamites
  †Callipteris
  †Calymene
  †Calymene clavicula
  †Calyptaulax
  †Camarotoechia
  † Camerate
  †Campbelloceras
  †Cancelloceras
  †Capnophyllum
   †Captorhinus
  †Captorhinus aguti
  †Cardiocephalus
  †Cardiocephalus peabodyi – type locality for species
  †Cardiocephalus sternbergi – or unidentified comparable form
  †Carolinites
  †Ceramopora
  †Ceratiocaris
  † Ceratocephala
  †Ceraurinella
  †Ceraurus
   †Cheirurus
  †Chonetes
  †Chonetes mesoloba
  †Cladochonus
  †Cleiothyridina
  †Cleiothyridina orbicularis
  †Clepsydrops
  Cliona
  †Colobomycter – type locality for genus
  †Colobomycter pholeter – type locality for species
  †Composita
  †Composita mexicana
  †Composita rotunda
  †Composita subcircularis
  †Composita subtilita
  †Coolinia
  †Cordania
  †Cordania falcata
  †Cordylodus
  †Cornulites
   †Cotylorhynchus – type locality for genus
  †Cotylorhynchus bransoni – type locality for species
  †Cotylorhynchus romeri – type locality for species
  Crania
  †Craniops
  †Cravenoceras
  †Cricotus
  †Crossotelos – type locality for genus
  †Ctenacanthus – report made of unidentified related form or using admittedly obsolete nomenclature
  †Curtognathus
  †Cybelopsis
  †Cycloceras
  †Cyclonema
   †Cyclopteris
  †Cyphaspis
  †Cyrtograptus
  †Cystodictya
  †Cystodictya elegans – type locality for species
  †Dalmanites
  †Delorhynchus – type locality for genus
  †Delorhynchus cifellii – type locality for species
  †Delorhynchus priscus – type locality for species
  †Diacalymene
  †Diadectes
  †Dicoelosia
  †Dicranurus
  †Dicranurus hamatus
  †Dictyonema
  †Dimeropygiella
   †Dimetrodon
  †Dimetrodon dollovianus
  †Dimetrodon limbatus – or unidentified comparable form
  †Dimetrodon loomisi
  †Dimetrodon macrospondylus
  †Diplocaulus – type locality for genus
  †Diplocaulus magnicornis
  †Diplograptus
  †Discitoceras
  †Doleserpeton – type locality for genus
  †Domatoceras
  †Eatonia
  †Echinaria
  †Echinosphaerites
  †Ectosteorhachis
   †Edaphosaurus
  †Edaphosaurus cruciger
  †Edestus – type locality for genus
  † Edmondia
  †Eodictyonella
  †Eospirifer
  †Epiphyton
  †Eryops
  †Eryops megacephalus
  † Estheria
  †Eucalyptocrinites
  †Euryodus
  †Euryodus dalyae – type locality for species
  †Euryodus primus – or unidentified comparable form
  †Favosites
  †Fayella – type locality for genus
  †Feeserpeton – type locality for genus
  †Feeserpeton oklahomensis – type locality for species
   †Fenestella
  †Fenestella cestriensis
  †Fenestella exigua
  †Foerstia
  †Fragiscutum
  †Frencrinuroides
  †Fusulina
  †Gastrioceras
  †Girvanella
  †Glaphurochiton
  †Glyptopleura
  †Gnathodus
   †Gnathorhiza
  †Goniatites
  †Gotlandochiton
  †Gymnophyllum
  †Gymnophyllum wardi
  †Hallopora
  †Halysites
  †Hapsidopareion – type locality for genus
  †Hapsidopareion lepton – type locality for species
  †Helminthochiton
  †Hibbert
caption: Life restoration of the Permian amphibian Cacops
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