Keyserlingitinae

Keyserlingitinae is a subfamily of the Sibiritidae, Early Triassic Ammonoidea. Shells tend to have subquadrate whorl sections as in Durgaites and Kyserlingites and to be  strongly ribbed or nodose or both.

Genera
The Keyserlingitinae includes
 * Kyserlingites
 * Durgaites
 * Goricanites
 * Olenekoceras
 * Pseudokeyserlingites
 * Subolenekites