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
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Cephalopoda
Subclass:
Ammonoidea
Suborder:
Ammonitina
Superfamily:
Perisphinctaceae
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
  • Perisphinctidae in the Treatise on Invertebrate Paleontology, Part L, Mollusca 4.


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