Ptychites is an extinct genus of cephalopods belonging to the family Ptychitidae.

These nektonic carnivores lived during the Triassic period, from Anisian to Ladinian age.

[1] Species in this genus are quite variable in form, ranging from subglobose to laterally compressed.

The surface of the shell is sculptured with low folds.

[2] Fossils of species within this genus have been found in the Triassic of Afghanistan, Austria, Canada, China, Hungary, Italy, Japan, Malaysia, Oman, Papua New Guinea, Russia, Tunisia, Turkey, United States.