Family Olcostephanitidae Phylum Mollusca | Superfamily Perisphinctaceae Scientific name Craspedodiscus Rank Genus Subclass Ammonites | |
Similar Ammonites, Australiceras, Annuloceras, Aconeceras | ||
Craspedodiscus is a genus of cephalopods in the ammonite superfamily Perisphinctaceae from the mid Early Cretaceous (Hauterivian-Barremian) of Northern Europe and Siberia that lived some 125 Ma.
Craspedodiscus is discoidal with laterally compressed whorls and a narrowly rounded venter, covered with fine ribbing. It is placed in the subfamily Simbirskitinae in the family Olcostephanitidae.
References
Craspedodiscus (ammonite) Wikipedia(Text) CC BY-SA