Fontannesia

Fontannesia; Temporal range: Middle Jurassic PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Family:	Sonniniidae
Genus:	Fontannesia; Buchman, 1902

Fontannesia is an ammonoid cephalopod genus with a small to medium size, evolute, discoidal shell that was extant during the Jurassic Period. The sides are ribbed, the venter has a single median keel, and tubercles are lacking.

Fontannesia is included in the Sonniniidae (Hildoceratoidea) and has been found widespread in Europe, western Australia, Canada, and Argentina.

References

Arkell, et al, 1957., Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology Part L, Ammonoiea. Geological Society of America and University of Kansas Press.

^ Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help); Cite journal requires |journal= (help)

This ammonite-related article is a stub. You can help Wikipedia by expanding it.

This article related to the Jurassic period is a stub. You can help Wikipedia by expanding it.

[Sepkoski_Ceph-1] Sepkoski, Jack (2002). "Sepkoski's Online Genus Database". Retrieved 2014-05-28. {{cite journal}}: Cite has empty unknown parameter: |coauthors= (help); Cite journal requires |journal= (help)

[1]