Gatunek typowy
Conchiliolithus Nautilites sphaericus Martin, 1809 (nomen nudum) = Ammonites sphaericus Sowerby, 1814.

Opis

Goniatitinae with umbilicus closed in early ontogeny; external lobe V-shaped, very narrow or narrow, usually with slightly curved flanks.

Synonimy

Zasięg czasowy

Carboniferous, Visean-Serpukhovian

Literatura

De Haan, G. 1825. Monographiae Ammoniteorum et Goniatiteorum. Lugduni Batavorum [Leiden] (Hazenberg): 1-168.

Korn, D. & Titus, A.L. 2011. Goniatites Zone (middle Mississippian) ammonoids of the Antler Foreland Basin (Nevada, Utah). Bulletin of Geosciences 86 (1): 107–196.