Anagaudryceras

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.

Anagaudryceras Temporal range: Albian - Maastrichtian
Anagaudryceras limatum (center)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Gaudryceratidae
Genus:	†Anagaudryceras Shimizu, 1934
Species
See text

References

• 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
• The Paleobiology Datase Anagaudriceras entry accessed 5 April 2012