The Atotonilco El Grande Formation is a geologic formation in Mexico. It preserves fossils dating back to the Neogene period.

Fossil content Mammals Mammals reported from the Atotonilco El Grande Formation Genus Species Presence Material Notes ImagesCapreolusC. constantiniSanta María Amajac.A deer.

Fish Fish reported from the Atotonilco El Grande Formation Genus Species Presence Material Notes ImagesPaleocharacodonP. guzmanaeSanctórum-JAO site.Several specimens.A splitfin.

Plants Plants reported from the Atotonilco El Grande Formation Genus Species Presence Material Notes ImagesEquisetumClosely related to Equisetum myriochaetum.

See also

List of fossiliferous stratigraphic units in Mexico

References