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
Scientific classification
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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