''Equus stenonis'' or the Stenon zebra, is an extinct

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of equine closely related to modern

zebras Zebras (, ) (subgenus ''Hippotigris'') are African equines with distinctive black-and-white striped coats. There are three living species: the Grévy's zebra (''Equus grevyi''), plains zebra (''E. quagga''), and the mountain zebra (''E. zebr ...

and

asses Ass most commonly refers to: * Buttocks (in informal American English) * Donkey or ass, ''Equus africanus asinus'' **any other member of the subgenus ''Asinus'' Ass or ASS may also refer to: Art and entertainment * Ass (album), ''Ass'' (album ...

that inhabited

Eurasia Eurasia (, ) is the largest continental area on Earth, comprising all of Europe and Asia. Primarily in the Northern and Eastern Hemispheres, it spans from the British Isles and the Iberian Peninsula in the west to the Japanese archipelago ...

in the

Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in ...

. The African species ''Equus koobiforensis'' and ''E. oldowayensis'' are closely related to ''E. stenonis''. Barron-Ortiz et al. (2019) resurrect the genus ''Allohippus'' for ''Equus stenonis'' based on the results of their cladistic analysis regarding the interrelationships of the genus ''Equus''.

References

{{Taxonbar, from=Q15411518 Prehistoric mammals of Europe Prehistoric mammals of Asia Equus (genus) Fossil taxa described in 1867