''Rursiceras'' is a
Jurassic
The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...
ammonite belonging to the
ammonitid.
Distribution
France and Switzerland
References
;Notes
Jurassic ammonites
Ammonitida genera
Aspidoceratidae
{{Ammonitina-stub