Eotetragonites

Eotetragonites is an extinct genus of ammonite.[1]

Eotetragonites
Temporal range:
Fossil of Eotetragonites species
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: †Ammonoidea
Order: †Ammonitida
Family: †Gaudryceratidae
Genus: †Eotetragonites
Breistroffer, 1947

Eotetragonites is considered by some authors a subgenus of Eogaudryceras.[2]

Species

Species within this genus include:[2]

  • Eotetragonites duvali (A.V.M.D. D'Orbigny ) † [3]
  • Eotetragonites raspaili Breistroffer, 1947 † [4]
  • Eotetragonites rossmatteliformis [5]
  • Eotetragonites umbilicostriatum Collignon 1949

Fossil record

The fossil record of this genus dates back to the Cretaceous[1] (age range: from 112.6 to 99.7million years ago). Fossils of species within this genus have been found in Egypt, France, Madagascar, South Africa and United States (California). These cephalopods were fast-moving nektonic carnivores.[2]

See also

References
  1. Sepkoski, Jack Sepkoski's Online Genus Database
  2. Paleobiology Database
  3. E. duvali at WMSDB - Worldwide Mollusc Species Data Base
  4. E. raspaili at WMSDB - Worldwide Mollusc Species Data Base
  5. Youtube

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