Rank Subfamily | ||
Keyserlingitinae is a subfamily of the Sibiritidae, Early Triassic Ammonoidea. Shells tned to have subquadrate whorl sections as in Durgaites and Kyserlingites and to be strongly ribbed or nodose or both.
Genera
The Keyserlingitinae includes
References
Keyserlingitinae Wikipedia(Text) CC BY-SA