Eogaudryceras
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''Eotetragonites'' is an extinct genus of ammonite.Sepkoski, Jac
Sepkoski's Online Genus Database
/ref> ''Eotetragonites'' is considered by some authors a subgenus of '' Eogaudryceras''.


Species

Species within this genus include:Paleobiology Database
/ref> *''Eotetragonites duvali'' (A.V.M.D. D'Orbigny ) † *''Eotetragonites raspaili'' Breistroffer, 1947 † *''Eotetragonites rossmatteliformis'' Youtube
/ref> *''Eotetragonites umbilicostriatum'' Collignon 1949


Fossil record

The fossil record of this genus dates back to the
Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of th ...
(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
nekton Nekton or necton (from the ) refers to the actively swimming aquatic organisms in a body of water. The term was proposed by German biologist Ernst Haeckel to differentiate between the active swimmers in a body of water, and the passive organisms ...
ic carnivores.


See also

*
List of ammonite genera This list of ammonites is a comprehensive listing of genera that are included in the subclass †Ammonoidea, excluding purely vernacular terms. The list includes genera that are commonly accepted as valid, as well those that may be invalid or doub ...


References

{{Taxonbar, from=Q12256915 Lytoceratina