Mesohippus Skull Replica

Mesohippus Skull Replica

$168.00

SKU: RF031-1 Tag:

Description

Mesohippus Skull Replica measures 8 inches or 20cm. The Mesohippus Skull Replica is museum quality Polyurethane cast, made in USA.

Mesohippus had low crowned teeth that would have been well suited to browsing leaves from bushes, small trees, and fruit. Its long tail was over 1/4 its total body length.  North American horses including Mesohippus had 17 thoracic vertebrae, while European horses had 18.

Mesohippus had long legs and stood 6 hands tall. This equid is the first fully tridactyl horse in the evolutionary record, with the third digit being longer and larger than its second and fourth digits. Mesohippus had pads like seen in Hyracotherium and Orohippus. The face of Mesohippus was longer and larger than earlier equids. It had a slight facial depression, in the skull. The eyes were rounder, and were set wider apart and farther back than in Hyracotherium. It’s scientific name is Mesohippus barbouri.

Fossils of Mesohippus, the next important ancestor of the modern horse, are found in the early and middle Oligocene of North America (the Oligocene Epoch lasted from about 33.9 million to 23 million years ago). Mesohippus was far more horse like than its Eocene ancestors: it was larger (averaging about 6 hands [about 61 cm, or 24 inches] high); the snout was more muzzle like; and the legs were longer and more slender. Mesohippus also had a larger brain. The fourth toe on the forefoot had been reduced to a vestige, so that both the forefeet and hind feet carried three functional toes and a footpad. The teeth remained adapted to browsing.

Mesohippus‘ premolar teeth became more like molars. These premolars are said to be “molariform.” The primitive triangular premolar pulps food, while the squared molariform teeth crush and grind food. This might reflect a shift from a more diverse diet including fruit to a more limited diet of leaves and possibly grass

By the late Oligocene, Mesohippus had evolved into a somewhat larger form known as Miohippus.

Additional information

Weight 10 lbs
Dimensions 8 in
Mesohippus Facts:

Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Perissodactyla
Family: Equidae
Subfamily: †Anchitheriinae
Genus: †Mesohippus
Conservation Status: Extinct -Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species.
Conservation Status: Extinct -Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species.

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