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 References W.J. Arkell, et al., 1957. Mesozoic Ammonoidea; Treatise on Invertebrate Paleontology, Part L. Geological Society of America and University of Kansas Press. Keyserlingitinae, Paleodb Triassic ammonites Ceratitoidea