Dieneria

Dieneria Temporal range: Late Triassic PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Order:	Ceratitida
Family:	Klamathitidae
Genus:	Dieneria Hyatt & Smith, 1905

Dieneria is a ceratitid ammonoid cephalopod from the Late Triassic of western North America with a smooth discoidal shall of which the venter is truncate and the suture simple. Only the first lateral lobe is slightly serrated, the other lobes entire (smooth)

Dieneria, named by Hyatt and Smith, 1905, was first found in the Carnian of California and is now also known from British Columbia. According to the American Treatise Part L, 1957, Dieneria belongs to the Carnitidae, a component family of the Ceratitaceae. Subsequently, Dieneria was reassigned to the Klamathitidae Tozer, 1994, included in the Pinacocerataceae

References

• Arkell, et al., 1957. Mesozoic Ammonoidea, Treatise in Invertebrate Paleontology, Part L (L157). Geological Society of America.
• Dieneria entry in the Paleobiology Database