Eotetragonites Explained

Eotetragonites is an extinct genus of ammonite.^[1]

Eotetragonites is considered by some authors a subgenus of Eogaudryceras.

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

• List of ammonite genera

Notes and References

1. Sepkoski, Jack Sepkoski's Online Genus Database
2. http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=134290 Paleobiology Database
3. http://www.bagniliggia.it/WMSD/HtmSpecies/6511000047.htm E. duvali at WMSDB - Worldwide Mollusc Species Data Base
4. http://www.bagniliggia.it/WMSD/HtmSpecies/6511000045.htm E. raspaili at WMSDB - Worldwide Mollusc Species Data Base
5. https://www.youtube.com/watch?v=ZZlGGQ1kRF4 Youtube