Rodzaj Hibernicoceras Moore et Hodson, 1958
Gatunek typowy Opis Conch thick disc-shaped to spherical in old, barrel-shaped in young; navel wide in youth, narrow in mature; ornamentation with serrated, biconvex growing strips, direction in youth prorsiradiat, in old age rursiradiat; in old age, spiral stripes in the umbilical area; suture with moderately wide, V- or Y-shaped external lobe; median saddle of medium height, ventrolateral saddle blunt; adventic lobe symmetrical, with slightly curved flanks. Synonimy Zasięg czasowy Carboniferous, Serpukhovian Literatura Moore, E. W. J. & Hodson, F. 1958. Goniatites from the Upper Visean shales of County Leitrim, Eire. Liverpool and Manchester geological Journal 2 (1): 86–105. |
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