Genus Lispoceras Hyatt, 1893

Type species

Lispoceras trivolve Hyatt, 1893; original designation.

Diagnosis

Genus of the family Trigonoceratidae with evolute conch; whorls just touching each other; whorl profile weakly depressed elliptical or circular. Ornament in the adult stage with fine growth lines, in the preadult stage with fine spiral lines. Suture line with shallow external and lateral lobes. Siphuncle small with subcentral position (after Kummel 1964; emended by Korn et al. 2022).

Included species

Lispoceras orbis Korn, Miao & Bockwinkel, 2022, Algeria; Lispoceras proconsul Shimansky, 1967, Kazakhstan; Lispoceras rotundum Hyatt, 1893, Ireland; Lispoceras trivolve var. simplum Hyatt, 1893, Belgium; Lispoceras trivolve Hyatt, 1893, Belgium.