Neolissoceras

Neolissoceras Temporal range: Tithonian–Hauterivian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Haploceratidae
Genus:	†Neolissoceras

Neolissoceras is a haploceratid ammonite with a smooth, compressed, flat-sided shell with a flatly rounded venter and distinct umbilical margin, from the Upper Jurassic (Tithonian) - Lower Cretaceous (Hauterivian) of southern Europe, Madagascar, and India.

References

Arkell et al, 1957 Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology Part L. Geol Society of America and Univ Kansas Press R.C Moore (ed)
Paleodb Haploceratidae