Xenoceltitidae
| Xenoceltitidae | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | Ammonoidea |
| Order: | Ceratitida |
| Superfamily: | Xenodiscaceae |
| Family: |
Xenoceltitidae Spath, 1930 |
| Genera | |
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.
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Wikipedia