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Temporal range: Albian - Maastrichtian
Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Ammonitida
Family: Gaudryceratidae
Genus: Anagaudryceras
Shimizu, 1934
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Anagaudryceras is an extinct genus of ammonite from the later Cretaceous belonging to the Ammonoidea family Gaudryceratidae. Anagaudryceras has a moderately involute shell with a deep umbilicus and strongly ribbed outer whorl. Ribs are thick and rounded and cross over the venter uninterrupted.


  • Arkell, W.J.; Kummel, B.; Wright, C.W. (1957). Mesozoic Ammonoidea. Treatise on Invertebrate Paleontology, Part L, Mollusca 4. Lawrence, Kansas: Geological Society of America and University of Kansas Press. 
  • Wani, R. 2007. Differential preservation of the Upper Cretaceous ammonoid Anagaudryceras limatum with corrugated shell in central Hokkaido, Japan. Acta Palaeontologica Polonica 52 (1) 2007 [1]
  • The Paleobiology Datase Anagaudriceras entry accessed 5 April 2012