Apoderoceras

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

Apoderoceras
Temporal range:
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Family: †Coeloceratidae
Genus: †Apoderoceras
Buckman, 1921
Species[2]
  • †Apoderoceras antiquum Lóczy, 1915
  • †Apoderoceras dunrobinense Spath, 1926
  • †Apoderoceras ferox Buckman, 1925
  • †Apoderoceras sparsinodum Quenstedt, 1849
  • †Apoderoceras subtriangulare Young and Bird, 1822

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.

Distribution

Jurassic of Argentina, Hungary, Italy, Portugal, the United Kingdom [3]

References
  1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28.
  2. Apoderoceras at fossilworks.org (retrieved 29 April 2022)
  3. "Paleobiology Database". Retrieved 17 December 2021.


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