Zenostephanus

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

References
  1. revised name for Xenostephanus
  2. Zenostephanus new name


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