Liroceratidae is an extinct family of nautilids, shelled marine molluscs, belonging to the Clydonautiloidea, consisting of generally smooth, involute...

Late Devonian to Upper Triassic Liroceratidae, from which Shimankiy derived his suborder. Derived from the Liroceratidae in the Early Mississippian are...

Grypoceratidae, the dominant trigonoceratacean family, and with the family Liroceratidae form the bulk of species in the superfamily Clydonautilaceae, all three...

Paranautilus is a genus of the Nautiloid family Liroceratidae with a very involute, moderately globular, smooth shell. The venter, at the outer rim, is...

Bistrialites is an involute, globose Clydonautilacean belonging to the Liroceratidae with a reniform (kidney-shaped) whorl section, large funnel-shaped umbilicus...

Styrionautilus may be derived from Indionautilus or similar form included in the Liroceratidae. In turn Styrionautilus is the likely ancestor of Proclydonautilus,...

Mollusca Class: Cephalopoda Subclass: Nautiloidea Order: Nautilida Superfamily: Clydonautilaceae Family: Liroceratidae Genus: Permonautilus Kruglov (1933)...

-Nautilida; Treatise on Invertebrate Paleontology, Part K. Geol Soc of America and Univ of Kansas press, R.C. Moore (ed) -- Liroceratidae K444 -K447. v t e...

nautiloid cephalopod. It is the type genus of the clydonautiliacean family, Liroceratidae, and is characterized by a rapidly expanding, subglobular, nautiliconic...

Peripetoceras is a genus in the Clydonautilacean family, Liroceratidae. It can be recognized by its smooth, involute shell with a deep small umbilicus...

Leonova & Shilovsky Middle Permian (Kazanian)  Russia A member of Liroceratidae, a species of Coelogasteroceras. Eocylindroteuthis (?) yokoyamai Sp...

cephalopods, which are derivatives of the clydonautiloidean family Liroceratidae, that have generally smooth, involute, globular to compressed shells...

Ephippioceratidae is a family of clydonatilacean nautilids with shells as in the Liroceratidae but with sutures that have deep ventral and dorsal saddles. This group...

Shchedukhin, A. Yu. (2023). "New data on the genus Shikhanonautilus (Liroceratidae, Nautilida) from the Early Permian Shakhtau reef". Paleontological Journal...

occluded umbilicus and subrectangular whorl section belonging to the Liroceratidae (Clydonaulilaceae). Flanks are slightly bowed, converging on a flattened...

Permian  Russia ( Bashkortostan) A nautiloid belonging to the family Liroceratidae. Genus includes new species L. ovale. Liroceras shakhtauense Sp. nov...