| Xenoceltitidae | |
|---|---|
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | † Ammonoidea |
| Order: | † Ceratitida |
| Superfamily: | † Xenodiscoidea |
| 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.
Abichites is ceratitid genus, assigned to the family Dzhulfitidae, from the Upper Permian of Armenia, Azerbaijan, and Iran, with three species recognized: A. abichi, A. mojsisovicsi, and A. stoyanowi.
Xenoceltites is an extinct genus of ceratite ammonoid found worldwide in the Lower Triassic.
Noritoidea, formerly Noritaceae, is an extinct superfamily of cephalopods belonging to the Ammonite order Ceratitida.
Xenodiscoidea, formerly Xenodiscaceae, is a superfamily within the ammonoid order Ceratitida. The superfamily was named by Frech in 1902, presently contains ten families, only one of which was included in the original Otocerataceae of Hyatt, 1900, the remaining having been added.
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