Eotetragonites is an extinct genus of ammonite.
Eotetragonites is considered by some authors a subgenus of Eogaudryceras.
Species within this genus include:
The fossil record of this genus dates back to the Cretaceous (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.