Xiphogymnites
Xiphogymnites is an extinct ammonoid cephalopod genus from the Triassic included in the family Gymnitidae. It is known from the Balkans in eastern Europe.
Xiphogymnites Temporal range: Triassic | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Cephalopoda |
Subclass: | †Ammonoidea |
Order: | †Ceratitida |
Family: | †Gymnitidae |
Genus: | †Xiphogymnites Spath, 1951 |
The shell is similar to that of Gymnites, smooth, evolute, whorl section oval, venter arched, suture ammonitic, except that it has a row of tubercles on the venter followed by constrictions. Both genera are included in the Pinacoceratoidea.
References
- Arkell, et al., Mesozoic Ammonoidea, Treatise on Invertebrate Paleontology Part L (1957) Geological Society of America.
- E. T. Tozer. 1981. Triassic Ammonoidea: Classification, evolution and relationship with Permian and Jurassic Forms. The Ammonoidea: The evolution classification, mode of life and geological usefulness of a major fossil group.
- Xiphogymnites in the Paleobiology database 8/31/13
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