Streblitinae

Streblitinae is a subfamily of Upper Jurassic and Lower Cretaceous ammonites within the family Oppeliidae characterized by compressed, involute shells; typically oxycones with complex sutures. Includes Streblites, Pseudoppelia, and Substreblites. Derivation is from the Taramelliceratinae. May have given rise to the Aconiceratinade.

Streblitinae Temporal range: Late Jurassic- Early Cretaceous 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:	†Oppeliidae
Subfamily:	†Streblitinae Spath, 1925
Genera
Bornhardticeras Creniceras Cyrtosiceras Gymnodiscoceras Neochetoceras Oxylenticeras Semiformiceras Streblites Substreblites Uhligites

References

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

D.T. Donovan, J.H. Callomon, and M.K. Howarth, 1981. Classification of the Jurassic Ammonitina. The Systematics Association Special Volume no. 18. The Ammonoidea. Academic Press.