Acrochordiceratidae

The Acrochordiceratidae is a family of middle Triassic ammonoid cephalopods included in the ceratitid superfamily Ceratitaceae that hove more or less involute shells with strong ribs that are continuous over and most prominent on the arched venter (outer rim). Sutures are ceratitic or ammonitic. Includes Acrochordiceras and Silesiacrochordiceras.