†family Rhiphaeoceratidae Ruzhentsev and Shimanskiy 1954 (nautiloid)
Cephalopoda - Nautilida - Rhiphaeoceratidae
Full reference: V. E. Ruzhentsev and V. N. Shimanskiy. 1954. Nizhnepermskie svernutye i sognutye Nautiloidei yuzhnogo Urala. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 50:1-150
Parent taxon: Tainoceratoidea according to A. Y. Shchedukhin 2022
See also Teichert et al. 1964
Sister taxa: Gzheloceratidae, Koninckioceratidae, Mosquoceratidae, Tetragonoceratidae
Subtaxa: Eximioceras Pararhiphaeoceras Rhiphaeoceras Rhiphaeonautilus Sholakoceras
Type: Rhiphaeoceras
Ecology: nektobenthic carnivore
Distribution:
• Permian of Azerbaijan (1 collection), China (2), Italy (2), Kazakhstan (2), the Russian Federation (4), Tajikistan (1)
Total: 12 collections including 21 occurrences