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Temporal range: Late Cretaceous (Maastrichtian)
Ammonite Jeletzkytes.jpg
Jeletzkytes, a Cretaceous ammonite from the United States
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Scaphitidae
Genus: Jeletzkytes
Riccardi, 1983

see text

Jeletzkytes is an extinct genus of scaphatoid ammonite cephalopod molluscs from the Upper Cretaceous (Maastrichtian) of North America named and described by Riccardi, 1983. In overall form Jeletzkytes closely resembles the genus Scaphites. Species include J. compressus, J. criptonodosus, J. dorfi, J. nebrascensis, J. nodosus, J. plenus, and J. spedeni.


  • Jeletzkytes, Paleobiology Database. 13 Mar. 2013.
  • Neil H. Landman, Karl M Waage (Karl Mensch); Scaphitid ammonites of the Upper Cretaceous (Maastrichtian) Fox Hills Formation in South Dakota and Wyoming. Bulletin of the AMNH ; no. 215, 1993. [1]