Xenoceltitidae

Xenoceltitidae are evolute, generally ribbed, upper Lower Triassic Ceratitida with ceratitic or goniatitic sutures; formerly included in the Noritaceae but now placed in the Xenodiscaceae.

The Xenoceltitidae are derived from the Ophiceratidae.

This Ceratitida-related article is a stub.

You can help Wikipedia by expanding it.