''Acheronodon'' is a genus of herbivorous arboreal mammal which belongs to the family (biology), family Microcosmodontidae and which was endemic to North America during the Early Paleocene subepoch (66—56.8 Mya (unit), mya) and in existence for approximately .Paleobiology Database: ''Acheronodon'' basic info.
/ref> It is a member of the extinct order Multituberculata and lies within the suborder Cimolodonta. The species ''Acheronodon garbani'' is known from fossils found in the Puercan (Paleocene)-age formations of Tullock Formation in Montana (United States) and possible specimens from the Porcupine Hills in Alberta, Canada. The holotype was found in Montana.

References

* Archibald (1982), "A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana." ''Univ. Calif. Publ. Geol. Sci.'' 122, p. 1-286. * Kielan-Jaworowska Z & Hurum JH (2001), "Phylogeny and Systematics of multituberculate mammals." ''Paleontology'' 44, p. 389-429. * Much of this information has been derived fro
Eucosmodontidae, Microcosmodontidae and Taeniolabidoidea, an Internet directory
{{Taxonbar, from=Q726947 Cimolodonta Paleocene mammals Paleocene genus extinctions Paleocene mammals of North America Monotypic prehistoric mammal genera