Gatunek typowy
Goniatites falcatus Roemer,1850

Opis

Conch  globular with umbilicus moderately wide in adult; ornamentation consisting of toothed growth strips with a biconvex course; direction of growth lines changes from prorsiradiate in youth to rectiradiate or rursidiate in adult; about 200 spiral stripes in adults; lobe line with V-shaped external lobe of medium width; median saddle of medium height; ventrolateral saddle angular; adventitious lobe with slightly curved flanks.

Synonimy

Zasięg czasowy

Carboniferous, Serpukhovian

Literatura

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