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Therizinosaurus (/ ˌ θ ɛ r ə ˌ z ɪ n oʊ ˈ s ɔːr ə s / ⓘ; meaning 'scythe lizard') is a genus of very large therizinosaurid dinosaurs that lived in Asia during the Late Cretaceous period in what is now the Nemegt Formation around 70 million years ago. It contains a single species, Therizinosaurus cheloniformis.
Therizinosaurs, also known as segnosaurs, were theropod dinosaurs and members of the clade Therizinosauria. For many years after their discovery, the exact placing of this group within dinosaurs was somewhat speculative.
Forelimbs of Therizinosaurus, specimen IGM 100/15 displayed at Nagoya City Science Museum. Therizinosaurs were long considered an enigmatic group, whose mosaic of features resembling those of various different dinosaur groups, and scarcity of their fossils, led to controversy over their evolutionary relationships for decades after their initial discovery.
The humerus (upper arm) was exceptionally robust and flexible with wide lower ends as seen on the humeri of the therizinosaurids Nothronychus and Therizinosaurus. Not only that but the biceps muscle was prominently well-developed in Therizinosaurus. [2] [12] In Segnosaurus, the deltopectoral crest (deltoid muscle attachment) was strongly built. [3]
Barsbold proposed the Deinocheirosauria and included Therizinosaurus as a member. [5] In another paper during the same year, Barsbold referred a shoulder and forearm found in the same strata as the Therizinosaurus type specimen to that genus because of the resemblance between the specimens claws. He observed that the anatomy of the arm and ...
Ark clams are distinct from other clams in having red blood pigments that facilitate the transport of oxygen to their tissues and enable them to inhabit more hypoxic environments. [1] Ark clams reach reproductive maturity when they are about twelve months old and about 20 mm long. The spawning cycle typically begins in the rainy season.
Aussie Ark is located on 1,350 m (4,430 ft) altitude in similar weather conditions as found in Tasmania at 500 hectares breeding facility at Ellerston station, just north of Barrington Tops in New South Wales; [1] an initiative of the Australian Reptile Park. In 2013 it was announced that Devil Ark would open for tours on the first Saturday of ...
The Beretta 1301 is a gas-operated semi-automatic shotgun produced by Beretta, and imported by Beretta USA in the United States. [1] The firearm has two distinct models: The 1301 Tactical is intended for tactical self-defense and law enforcement applications whereas the 1301 Competition is designed for practical shooting sports such as Multigun or IPSC Shotgun.