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Troodontidae / t r oʊ. ə ˈ d ɒ n t ɪ d iː / is a clade of bird-like theropod dinosaurs from the Late Jurassic to Late Cretaceous. During most of the 20th century, troodontid fossils were few and incomplete and they have therefore been allied, at various times, with many dinosaurian lineages.
They are the largest known Asian troodontids, with a skull length of 27.2 cm (272 mm). At the time of the discovery of the genus, the only other troodontids that appeared to be larger than it were specimens from Alaska, [ 1 ] however, Latenivenatrix are now considered the largest troodontids with 3.5 m (11 ft) in length. [ 4 ]
A model of the hypothetical dinosauroid, Dinosaur Museum, Dorchester The dinosauroid is a hypothetical species created by Dale A. Russell in 1982. Russell theorized that if a dinosaur such as Stenonychosaurus had not perished in the Cretaceous–Paleogene extinction event, its descendants might have evolved to fill the same ecological niche as humans. [1]
Although several Troodontid teeth were found, with the troodontid Koparion named in 1994, [2] [3] a well preserved skeleton wasn't found until in 2001, a field crew from the Tate Museum supervised by William Wahl unexpectedly discovered the type skeleton Hesperornithoides in Jimbo Quarry of the Morrison Formation, overlying the excavation site of Supersaurus vivianae, near Douglas, Wyoming. [1]
In 1994, Sinornithoides was one of the most completely known troodontids, especially as regarded the palate, but the lack of sufficient fossil material to compare it with induced Russell and Dong not to indicate any diagnostic traits. [2] The skull of Sinornithoides is elongated and pointed. However, the head is relatively short compared to the ...
Related: 300 Trivia Questions and Answers to Jumpstart Your Fun Game Night What Is Today's Strands Hint for the Theme: "Curiouser and Curiouser!"? Today's Strands game revolves around things found ...
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