Tuesday, April 17, 2012

One of the most significant discoveries in paleontological history, Deinonychus Antirrhopus is sadly little known the general public, but is known well in the scientific community. Deinonychus is a quintessential raptor, slightly smaller than a person & among the most intelligent dinosaurs.

There is a fierce debate as to whether Deinonychus & its kin were warm-blooded & even feathered. Deinonychus has given much support to idea of warm-blooded dinosaurs, & resurrected the theory that dinosaurs were related to & later ancestral to modern birds. Which family between the Troodontids & Deinonychus' families the Dromaeosaurids gave rise to the birds is unknown.

Deinonychus was discovered in 1964 by John Ostrom, & later much worked on by Jack Horner, in the badland sites of Montana. Deinonychus fossils were found surrounding a Tenotosaurus, suggesting Deinonychus hunted in packs.

Contrary to popular belief, Deinonychus & other Dromaeosaurids did not use the sharpened, muscular claws on their feet to rip & disembowel its prey. Tests involving a resin replica of a Velociraptor claw combined with a jointed metal set of leg bones & a hydraulic press were used on various animal materials, showing that the claw could rip through human skin, but failed to tear a slab of pork & merely grazed a slab of crocodile flesh, barely removing a few sections of skin.

For more information related to dinosaurs, visit


Post a Comment