Nothronychus - Wikipedia
Nothronychus were bulky herbivorous theropods with wide, sloth-like hip (resembling that of the non-related ornithischians), four-toed feet with all four toes facing forward, elongated necks and prominent arms with sharp claws. Both species were similar in dimensions, but N. graffami was slightly more robust than N. mckinleyi.
The Slothful Claw: Osteology and Taphonomy of Nothronychus …
Abstract. Nothronychus was the first definitive therizinosaurian discovered in North America and currently represents the most specialized North American therizinosaurian genus. It is known from two species, No.mckinleyi from the Moreno Hill Formation (middle Turonian) in west-central New Mexico, and No.graffami from the Tropic Shale (early Turonian) in south-central Utah.
Paleo Profile: Nothronychus graffami - National Geographic
2015年8月15日 · Name: Nothronychus graffami. Meaning: The genus name translates to “slothful claw”, while the species name honors the dinosaur’s discoverer, Merle Graffam. Age: Around 93 million years ago
Nothronychus | A Late Cretaceous Theropod from North America
2024年2月27日 · Nothronychus, a medium-sized therizinosaur, presents a fascinating figure from the Late Cretaceous Period. Characterized by its “pot-bellied” abdomen, this dinosaur boasted a long neck and stocky hindlimbs, terminating in four-toed feet.
Paleo Profile: Nothronychus graffami - Utah Geological Survey
2015年8月17日 · Relatively little of its skeleton was known – a few vertebrae, part of an arm, part of a leg, and a piece of hip bone found in northern New Mexico – but it was enough to identify the animal as one of the tubby, fuzzy, long-necked, large-clawed herbivores called therizinosaurs. They named the species Nothronychus mckinleyi. READ MORE
Episode 288: Nothronychus, the most complete therizinosaur
Type species is Nothronychus mckinleyi; Described and named in 2001 by James Kirkland and Douglas Wolfe; Second species named in 2009 by Lindsay Zanno and others: Nothronychus graffami (found in the Tropic Shale of Utah, 1.5 to 3 million years …
(PDF) The Slothful Claw: Osteology and Taphonomy of Nothronychus …
2015年6月10日 · Nothronychus graffami can be differentiat- ed from Nothronychus mckinleyi by the following four features: 1) strongly amphicoelus cranial caudal centra [ 2 ]; 2) caudoventral aspect of caudal...
Vertebral pneumaticity of the North American therizinosaur Nothronychus …
Described North American species include Falcarius utahensis, Nothronychus graffami, and Nothronychus mckinleyi. Falcarius is known from a bonebed in the Barremian Cedar Mountain Formation of central Utah. Nothronychus graffami is based on a single, nearly complete individual from the Mancos Shale of southern Utah.
Nothronychus - Prehistoric Wildlife
2015年3月15日 · Between these two species, N. mckinleyi seems to have been a little smaller and noticeably less robust in build that N. graffami. Finer details between them include N. mckinleyi having a more pronounced bend in the lower arm, as well as differences in the caudal (tail) vertebrae ...
Journal of Morphology | Animal Morphology Journal - Wiley …
2023年3月17日 · Nothronychus graffami was a large therizinosaur from the Upper Cretaceous of North America. Much of the skeleton is well-preserved and relatively undistorted.