Eotetragonites is an extinct genus of ammonite.

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

[2] Species within this genus include:[2] 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).

[2] Media related to Eotetragonites at Wikimedia Commons