Osteichthyes - Tetrapoda - Crassigyrinidae
Parent taxon: Tetrapoda according to J. A. Clack and A. R. Milner 2015
See also Huene 1948
Sister taxa: Acanthostegidae, Aistopoda, Amphibia, Antlerpeton, Austrobrachyops, Austrobrachyops jenseni, Aytonerpeton, Baphetoidea, Brittagnathus, Caerorhachidae, Casineria, Characichnos, Chroniosuchia, Collettosaurus, Colosteidae, Crucipes, Diploradus, Dipodiscus, Doragnathus, Eldeceeon, Embolomeri, Erpetopus, Gaiasia, Hemispondyla, Janusichnus, Janusichnus bifrons, Kirktonecta, Koilops, Laoporus, Lepospondyli, Limnosceloides, Limnosceloides brachycoles, Limnosceloides dunkardensis, Lunaepes, Merifontichnus, Mesanerpeton, Microsauropus, Miosauria, Namuncurania malarguense, Nasopus grimmi, Nothosaurops occiduus, Ossirarus, Paleosauropus, Parmastega, Perittodus, Plesiosaurus vaccinsulensis, Polyptychodon mackesoni, Reniformichnus, Reptiliomorpha, Romeriscus, Romeriscus periallus, Saurichnium parallelum, Sigournea, Silvanerpeton, Solenodonsaurus, Solidopus, Solidopus perissodactylus, Tambachichnium, Tantallognathus, Tetrapodium, Thecodontichnus, Theriodesmus, Typopus, Wangwusaurus, Wangwusaurus tayuensis, Westlothiana, Whatcheeriidae
Subtaxa: Crassigyrinus
Ecology: planktonic suspension feeder
Distribution:
• Carboniferous of Canada (1: Nova Scotia collection), the United Kingdom (2), United States (2: West Virginia)
Total: 5 collections including 6 occurrences