Apoderoceras

Apoderoceras; Temporal range: Pliensbachian[1] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Coeloceratidae
Genus:	Apoderoceras

Apoderoceras is an extinct genus of cephalopod belonging to the Ammonite subclass.

Biostratigraphic significance

The International Commission on Stratigraphy (ICS) has assigned the First Appearance Datum of genus Apoderocerasas and of Bifericeras donovani the defining biological marker for the start of the Pliensbachian Stage of the Jurassic, 190.8 ± 1.0 million years ago.

Jurassic of Argentina, Hungary, Italy, Portugal, the United Kingdom [2]

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Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
"Paleobiology Database". Retrieved 2014-05-28.

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