Podtyp CONCHIFERA » Gromada CEPHALOPODA » Podgromada AMMONOIDEA » Rząd Goniatitida » Podrząd Goniatitina » Rodzina Nomismoceratidae »
Rodzaj Nomismoceras Hyatt, 1884
Gatunek typowy Opis Conch discoidal with wide umbilicus; ornamentation with very fine, biconvex and rectiradiate growth lines; suture with very wide external lobe; median saddle low, ventrolateral saddle broadly rounded; adventitious lobe small; all lobes are rounded. Synonimy Zasięg czasowy Carboniferous, Visean – Serpukhovian Literatura Hyatt, A. 1884. Genera of fossil cephalopods. Boston Society of Natural History Proceedings 22: 253-338. |
|