Hexameryx

Hexameryx is an extinct genus of the artiodactyl family Antilocapridae, endemic to North America during the Pliocene epoch (5.3—4.9 mya), existing for approximately 0.4 million years.

Hexameryx was a six-horned pronghorn that had well-forked horns.

Taxonomy

Hexameryx was named by White (1941). Its type is Hexameryx simpsoni. It was synonymized subjectively with Hexobelomeryx by Simpson (1945), Ferrusquia (1978) and Ahearn (1988). It was assigned to Antilocapridae by White (1941), Webb (1973), Carroll (1988) and Janis and Manning (1998).

Morphology

Body mass

Three specimens were examined by M. Mendoza for body mass and estimated to have a weight of:

Sources