rhamphotheca: Mesonyx (“middle claw”) … a wolf-like mammal of the family Mesonychidae, the type family of the order Mesonychia (sometimes referred to by its older name, “Acreodi”), existing 51.8—51.7 Mya. It may have been ancestral to cetaceans. It was a fast predator from the Middle Eocene of Wyoming, and it probably hunted hoofed plant eaters, moving lightly on its toes. However, instead of claws, Mesonyx’s toes ended in small hooves. Its long skull had a relatively large sagittal crest above the braincase to anchor large jaw muscles and give it a powerful bite. (image by ДиБгд) Mesonyx specimens have been unearthed in Colorado, Wyoming, and Utah. Mesonyx uintensis from the Upper Eocene of Wyoming is described as having a total cranium length of 429 mm. (17 inches) and a facial length of 206 mm (8 inches). Another specimen of Mesonyx uintensis is known from the Upper Eocene of northern Utah. (via: Wikipedia)     (top illustration by Charles R. Knight, 1896)

rhamphotheca:

Mesonyx (“middle claw”)

… a wolf-like mammal of the family Mesonychidae, the type family of the order Mesonychia (sometimes referred to by its older name, “Acreodi”), existing 51.8—51.7 Mya. It may have been ancestral to cetaceans. It was a fast predator from the Middle Eocene of Wyoming, and it probably hunted hoofed plant eaters, moving lightly on its toes. However, instead of claws, Mesonyx’s toes ended in small hooves. Its long skull had a relatively large sagittal crest above the braincase to anchor large jaw muscles and give it a powerful bite.

(image by ДиБгд)

Mesonyx specimens have been unearthed in Colorado, Wyoming, and Utah. Mesonyx uintensis from the Upper Eocene of Wyoming is described as having a total cranium length of 429 mm. (17 inches) and a facial length of 206 mm (8 inches). Another specimen of Mesonyx uintensis is known from the Upper Eocene of northern Utah.

(via: Wikipedia)     (top illustration by Charles R. Knight, 1896)

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tagged as: mesonychian. ungulate. mammal. prehistoric. charles r. kight.
reblogged from scientificillustration
originally posted by rhamphotheca

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