Goniatites de Haan, 1825

Type species: Conchiliolithus Nautilites ( sphaericus) Martin, 1809 [nomen nudum], equal to Ammonites sphaericus Sowerby, 1814 (Opinion 420 ICZN, 1956).

Diagnosis: Goniatitinae with subinvolute inner whorls; the umbilicus becomes closed in early ontogeny. External lobe usually V-shaped and rarely Y-shaped, very narrow or narrow, usually with slightly curved flanks.

For the species composition of the genus and a discussion of the characteristics and limits, see Korn and Titus (2011).