Liroceratidae Miller & Youngquist, 1949
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.17278898 |
persistent identifier |
https://treatment.plazi.org/id/03E487D4-FFE8-4934-FE33-5C308119FD38 |
treatment provided by |
Plazi |
scientific name |
Liroceratidae Miller & Youngquist, 1949 |
status |
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Family Liroceratidae Miller & Youngquist, 1949 View in CoL
Diagnosis
Family of the superfamily Liroceratoidea with a usually pachyconic or globular, subinvolute to subevolute conch. Whorl profile in the adult stage usually more or less strongly depressed; flanks and venter form a continuous arch in the early species, the venter can be flattened or concave in advanced species. Umbilical margin rounded; umbilical wall usually convex. Ornament usually consisting of fine growth lines; spiral lines occur in some genera. Septum simple in shape, concavely domed; suture line very simple, almost straight across flanks and venter or with small lobes and saddles (from Korn 2025).
Included genera
Solenoceras Hyatt, 1884 (homonym of Solenoceras Conrad, 1860 , objective synonym of Coelogasteroceras ); Coelogasteroceras Hyatt, 1893 (Carboniferous to Permian); Coloceras Hyatt, 1893 [homonym of Coloceras Taschenberg, 1882 , synonym of Liroceras Teichert, 1940 ]; Stearoceras Hyatt, 1893 (Carboniferous to Permian); Peripetoceras Hyatt, 1894 (Carboniferous to Permian); Potoceras Hyatt, 1894 (Carboniferous); Nannoceras Hyatt, 1894 (nomen nullum, synonym of Peripetoceras ); Conradiceras Cossmann, 1900 (objective synonym of Coelogasteroceras ); Liroceras Teichert, 1940 (Carboniferous to Permian); Condraoceras Miller, Lane & Unklesbay, 1947 (Carboniferous to Permian); Periptoceras Chao, 1954 (nomen nullum, synonym of Peripetoceras ); Hemiliroceras Ruzhencev & Shimansky, 1954 (Carboniferous to Permian); Bistrialites Turner, 1954 (Carboniferous); Pseudophacoceras Turner, 1966 (Carboniferous); Neobistrialites Tucker, Mapes & Aronoff, 1978 (Carboniferous); Jianoceras Ma, 1997 (Permian); Nemdoceras Barskov & Shilovsky, 2014 (Permian); Paraliroceras Barskov & Shilovsky, 2014 (Permian); Tatianautilus Barskov & Shilovsky, 2014 (Permian); Leniceras Leonova & Shchedukhin, 2020 (Permian); Shikhanonautilus Leonova & Shchedukhin, 2020 (Permian); Thyoceras Leonova & Shchedukhin, 2020 (Permian); Celeroliroceras Korn & Ghaderi, 2025 (Permian); Perunautilus Crick & Sobolev, 1994 (Triassic); Tomponautilus Sobolev, 1989 (Triassic).
Remarks
A discussion of the family Liroceratidae has been given by Korn (2025).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Phylum |
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Class |
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SubClass |
Nautiloidea |
Order |
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SubOrder |
Liroceratina |
SuperFamily |
Liroceratoidea |
Family |