Ephippioceratoidea Miller & Youngquist, 1949

Korn, Dieter, 2025, A revised classification of the Carboniferous and Permian Nautilida, European Journal of Taxonomy 1017, pp. 1-85 : 70

publication ID	https://doi.org/10.5852/ejt.2025.1017.3065
publication LSID	lsid:zoobank.org:pub:BFD619DA-1648-440D-BF28-4BF0724CA6A0
DOI	https://doi.org/10.5281/zenodo.17252522
persistent identifier	https://treatment.plazi.org/id/03BF2F39-FFD1-657C-73B5-BBE28C48F99E
treatment provided by	Plazi
scientific name	Ephippioceratoidea Miller & Youngquist, 1949
status

Treatment

Superfamily Ephippioceratoidea Miller & Youngquist, 1949

Diagnosis

Superfamily of the suborder Liroceratina with a pachyconic or globular, involute to subinvolute conch. Whorl profile in the adult stage usually more or less strongly depressed; flanks and venter form a continuous arch. Ornament usually consisting of fine growth lines; some species have spiral lines or fine ribs. Septum strikingly bilobate; suture line with high external saddle.

Included family

Ephippioceratidae Miller & Youngquist, 1949 (Early Carboniferous to Early Permian; 3 genera, 26 species).