Austiniceras is a subgenus of Parapuzosia, the shell of which is commonly large, moderately involute, high whorled, with flat or convex sides that converge on a narrowly rounded venter. Primary ribs are sigmoid or concave.
Austiniceras is part of Parapuzosia, with shells that are generally large and have prominent, high whorled features. These shells often display flat or convex sides that taper to a narrowly rounded ventral surface. The primary ribs in these shells can be S-shaped or concave.