Megasphaeroceras

Megasphaeroceras
Temporal range: Middle Jurassic
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Family: Sphaeroceratidae
Genus: Megasphaeroceras

Megasphaeroceras is an ammonite genus included in Sphaeroceratidae, a family of ammonoid cephalopods characterized by their sphaeroidal shells with markedly eccentric coiling, fine ribbing, and complex sutures, known from the lower middle Jurassic.[1]

References

  1. Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Cephalopoda entry)". Bulletins of American Paleontology. 363: 1–560. Archived from the original on May 7, 2008. Retrieved 2008-04-05.


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