Zenostephanus

Zenostephanus
Temporal range: U Jura
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Perisphinctidae
Genus: Zenostephanus
Arkell& Callomon,(1963)

Zenostephanus is true ammonite genus from the lower part of the Upper Jurassic of eastern England and Scotland belonging to the ammonitid family, Perisphinctidae.[1]

Zenostephanus is revised from Xenostephanus, a preoccupied name for a new genus of toxodont notoungulate from Argentina.[2] The type is Aulacostephanus ranbyensis

References