Cephalopoda - Nautilida - Liroceratidae
Full reference: A. K. Miller and W. Youngquist. 1949. American Permian nautiloids. Geological Society of America Memoir 41:1-218
Parent taxon: Liroceratoidea according to D. Korn 2025
See also Miller and Youngquist 1949, Niko and Mapes 2016 and Teichert et al. 1964
Sister taxa: Julfanautilidae, Permonautilidae, Planetoceratidae
Subtaxa: Bistrialites Celeroliroceras Coelogasteroceras Condraoceras Hemiliroceras Jianoceras Leniceras Liroceras Nemdoceras Neobistrialites Paraliroceras Paranautilus Peripetoceras Perunautilus Potoceras Pseudophacoceras Shikhanonautilus Stearoceras Tatianautilus Thyoceras Tomponautilus
Type: Liroceras
Ecology: nektobenthic carnivore
Distribution:
• Triassic of Austria (8 collections), Hungary (1), India (2), Israel (4), Italy (2), Peru (1), Romania (1), the Russian Federation (20), Slovenia (1), United States (13: Nevada)
• Permian of Armenia (1), Azerbaijan (1), Canada (2: Yukon), China (9), Colombia (1), Germany (7), Iran (12), Italy (8), Japan (2), Kazakhstan (2), Madagascar (2), Mexico (2), Oman (1), Pakistan (12), the Russian Federation (9), Tajikistan (1), the United Kingdom (15), United States (29: California, Nebraska, New Mexico, Texas, Utah, Wyoming)
• Carboniferous of Ireland (9), Kazakhstan (4), Morocco (2), the Russian Federation (14), Ukraine (2), the United Kingdom (3), United States (72: Arizona, Arkansas, California, Illinois, Kentucky, Missouri, Ohio, Oklahoma, Pennsylvania, Texas)
Total: 275 collections including 352 occurrences