Orthoconic nautiloid cephalopod genera

Autor: C. H. Holland
Rok vydání: 1992
Předmět:
Zdroj: Geological Magazine. 129:123-124
ISSN: 1469-5081
0016-7568
DOI: 10.1017/s0016756800008165
Popis: Use of the nautiloid cephalopod generic namesOrthocerasandMichelinocerasis briefly reviewed. Two new genera,Imbricatoceras(upper Ordovician-Silurian) andRadnoroceras(Wenlock-Ludlow), are proposed for common taxa with distinctive ornamentation.
Databáze: OpenAIRE