Ataxioceratinae

The Ataxioceratinae are Late Jurassic ammonites included in the Perisphinctidae, which include genera like Ataxioceras and Crussoliceras.

In some classification these ammonites are given family rank, Ataxioceratidae, with two included subfamilies, the Lithacoceratinae and the Torquatisphinctinae.