Gatunek typowy
Lusitanoceras algarviensis Pereira de Sousa, 1923

Opis

Conch thick disc-shaped to spherical in adults; umbilicus narrow (in adult); ornamentation with serrated growth lines (in juvenile) or with about 100 spiral lines, crossing the finer growth lines (in adult); direction of the biconvex growth lines in the prorsiradiat (in juvenile) or rectiradiat and rursidiat (in adults); lobe line with moderately wide V-shaped external lobe; median saddle of medium height, ventrolateral saddle angular; adventitious lobe with distinctly bulging flanks..

Synonimy

Zasięg czasowy

Carboniferous, Serpukhovian

Literatura

Korn, D. 1988. Die Goniatiten des Kulmplattenkalkes (Cephalopoda, Ammonoidea; Unterkarbon; Rheinisches Schiefergebirge). Geologie und Palåontologie in Westfalen 11: 1–293.

Pereira de Sousa, F.L. 1923. Sur un nouveau genre de Goniatite: Lusitanoceras. Bulletin de la Societé géologique de France, 4. serie, 23: 304, pl.9; Paris.