Xenoceltites

Xenoceltites
Temporal range: Olenekian
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Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ceratitida
Family: †Xenoceltitidae
Genus: †Xenoceltites
Spath, 1930

Xenoceltites is an extinct genus of ceratite ammonoid found worldwide in the Lower Triassic.[1][2]

Diagnosis

One of the earliest ceratites, Xenoceltites has a narrow planospiral shell with a compressed whorl section, that has a suture with two weakly toothed lateral lobes and irregular ribbing.

Classification

Xenoceltites belongs to the Xenoceltitidae, a family within the order Ceratitida that with two others form the superfamily Xenodiscaceae.[3]

References

  1. ^ "The Paleobiology Database".
  2. ^ Piazza, Veronica; Hammer, Øyvind; Jattiot, Romain (2017). "New late Smithian (Early Triassic) ammonoids from the Lusitaniadalen Member, Vikinghøgda Formation, Svalbard" (PDF). Norwegian Journal of Geology. 97 (2): 105–117. doi:10.17850/njg97-2-03. S2CID 134244921.
  3. ^ Arkell, W.J.; Furnish, W. M.; Kummel, B.; Miller, A. K.; Moore, R. C.; Schindewolf, O. H.; Sylvester-Bradley, P. C.; Wright, C. W. (1957). "Part L—Mollusca 4, Cephalopoda, Ammonoidea". In R.C. Moore (ed.). Treatise on Invertebrate Paleontology. Geological Society and University of Kansas Press. ISBN 0-8137-3012-0.


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