Nautilida
Year: 2025
Type: article
Abstract: New family Korn & Hairapetian (in press) Diagnosis Family of the superfamily Grypoceratoidea with a usually discoidal, subinvolute conch. Whorl profile in the adult stage weakly compressed or weakly depressed; flanks and venter usually separated by a distinct ventrolateral shoulder, venter more or less concave. Umbilical margin usually subangular or angular, rarely rounded; umbilical wall steep, often flattened. Ornament usually consisting of fine growth lines. Septum simple in shape, concavely domed; suture line depending on whorl profile with shallow to V-shaped external lobe and shallow lateral lobe (from Korn & Hairapetian in press: 14). Included genera Pseudotitanoceras Shimansky, 1965 (Permian); new genus A to be described by Korn & Hairapetian (in press) (Permian); new genus B to be described by Korn & Hairapetian (in press) (Permian); Azarinautilus gen. nov. (Permian). Remarks A detailed discussion of the new family will be given by Korn & Hairapetian (in press).
Authors: Korn, Dieter, Ghaderi, Abbas
Institutions: Museum für Naturkunde, Ferdowsi University of Mashhad
Language: English
Subfield: Paleontology
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W7084579670
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