Cephalopoda - Nautilida - Trigonoceratidae
Full reference: A. Hyatt. 1884. Genera of fossil cephalopods. Proceedings of the Boston Society of Natural History 22:253-338
Parent taxon: Trigonoceratoidea according to D. Korn et al. 2022
See also Hyatt 1894, Niko and Mapes 2007 and Teichert et al. 1964
Sister taxa: Grypoceratidae, Permoceratidae, Tainoceratidae
Subtaxa: Aphelaeceras Apogonoceras Aulagonoceras Chouteauoceras Coelonautilus Diodoceras Discitoceras Endolobus Epistroboceras Imonautilus Leuroceras Lispoceras Maccoyoceras Mesochasmoceras Neothrincoceras Planetoceras Rineceras Stroboceras Subclymenia Thrincoceras Triboloceras Trigonoceras Vestinautilus
Ecology: nektobenthic carnivore
Distribution:
• Permian of Azerbaijan (1 collection), China (10), Japan (1), Kazakhstan (2), Pakistan (3), the Russian Federation (5), United States (1: Texas)
• Carboniferous of Algeria (1), Australia (2), the Czech Republic (1), Ireland (20), Kazakhstan (8), Morocco (3), the Russian Federation (12), Ukraine (1), the United Kingdom (6), United States (30: Arizona, Arkansas, Indiana, Montana, Oklahoma, Pennsylvania, Texas)
Total: 107 collections including 159 occurrences