Tainoceratidae Hyatt, 1883

Korn, Dieter & Hairapetian, Vachik, 2025, Late Permian nautiloids from Baghuk Mountain (Central Iran), European Journal of Taxonomy 1019, pp. 1-76 : 45

publication ID

https://doi.org/10.5852/ejt.2025.1019.3071

publication LSID

lsid:zoobank.org:pub:E24EBF4A-9FE2-47E4-A656-E1698F88BB41

DOI

https://doi.org/10.5281/zenodo.17227762

persistent identifier

https://treatment.plazi.org/id/03E487D4-FFF7-492C-FD81-58708151FB0E

treatment provided by

Plazi

scientific name

Tainoceratidae Hyatt, 1883
status

 

Family Tainoceratidae Hyatt, 1883 View in CoL

Diagnosis

Family of the superfamily Tainoceratoidea with a discoidal to pachyconic, subinvolute or subevolute conch. Whorl profile always with midventral longitudinal groove; in early species subquadrate with a distinct ventrolateral shoulder and a distinct umbilical margin, in derived species polygonal with divergent or convergent flanks. Dorsal whorl zone always very small. Sculpture with rows of ventrolateral nodes, in some species with rows of nodes on the flank. Septa simply domed; suture line depending on the whorl profile, usually with shallow lobes and low saddles (from Korn 2025).

Included genera

Tainoceras Hyatt, 1883 (Carboniferous to Permian); Tainionautilus Mojsisovics, 1902 (Permian to Triassic); Tirolonautilus Mojsisovics, 1902 (Permian); Tylonautilus Pringle & Jackson, 1928 (Carboniferous to?Permian); Aulametacoceras Miller & Unklesbay, 1942 (Permian); Hexagonites Hayasaka, 1947 (Permian); Hunanoceras Chao, 1954 (Permian); Hefengnautilus Xu, 1977 (Permian); Clavinautilus Zhao, Liang & Zheng, 1978 (Permian); Eulomacoceras Zhao, Liang & Zheng, 1978 (Permian); Lirometacoceras Zhao, Liang & Zheng, 1978 (Permian); Neotainoceras Zhao, Liang & Zheng, 1978 (Permian); Paratainonautilus Zhao, Liang & Zheng, 1978 (Permian); Seironautilus Zhao, Liang & Zheng, 1978 (Permian); Neoclavinautilus Liang, 1984 (Permian); Nodonautilus Liang, 1984 (Permian); Nodopleuroceras Zheng, 1984 (Permian); Meixianlingites Qin, 1986 (Permian); Paratainoceras Qin, 1986 (Permian); Siamnautilus Ishibashi et al., 1994 (Permian); Gujiaonautilus Miao et al., 2019 (Permian); Corotainoceras Korn & Ghaderi, 2025 (Permian); Epitainoceras gen. nov. (Permian).

Remarks

A detailed discussion of family Tainoceratidae has been given by Korn (2025).

Kingdom

Animalia

Phylum

Mollusca

Class

Cephalopoda

SubClass

Nautiloidea

Order

Nautilida

SubOrder

Tainoceratina

SuperFamily

Tainoceratoidea

Family

Tainoceratidae

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