Hannaoceras

Hannaoceras is a genus belonging to the extinct subclass of cephalopods known as ammonites. Specifically it belongs in the order Ceratitida.

Hannaoceras
Temporal range:
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ceratitida
Family: Trachyceratidae
Genus: Hannaoceras
Tomlin 1931

The family to which Hannaoceras belongs, the Trachyceratidae, has more or less involute, highly ornamented shells and ceratitic to ammonitic sutures. Age range: 232.0 to 221.5 Ma.

References

Notes
  1. Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 28 May 2014.
Bibliography
  • Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press.


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