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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.
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]
The 25 Most Dangerous Animals In The World, List 25; The Most Dangerous Animals in the World, Animal Danger; Top 10 Most Dangerous Animals In The World, Conservation Institute; Schistosomiasis: Still a Cause of Significant Morbidity and Mortality, National Center for Biotechnology Information, U.S. National Library of Medicine
It feels like the skies are becoming more dangerous. But sometimes feelings can be deceiving. A look at the statistics suggests that the skies are about as friendly as they’ve ever been.
Fatal Attractions is a documentary series broadcast on Animal Planet from 2010 until 2013. First aired in 2010, the show focused on humans who have kept animals as unconventional pets that have turned out to be dangerous and sometimes fatal.
The adorable dogs make football look cute and easy, but putting on the longest-running call-for-pet-adoption event takes a lot behind the scenes. Many Puppy Bowl fans are curious about what ...
“Well-meaning, uninformed aquarium owners sometimes release their pets thinking they’re doing the best thing for them, but if they do survive, they can become invasive and harm the native ...