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Troodon (/ ˈ t r oʊ. ə d ɒ n / TROH-ə-don; Troödon in older sources) is a former wastebasket taxon and a potentially dubious genus of relatively small, bird-like theropod dinosaurs definitively known from the Campanian age of the Late Cretaceous period (about 77 million years ago). It includes at least one species, Troodon formosus, known ...
Mei is notable as a distinct species of troodontid based on several unique features, including extremely large nares. It is most closely related to the troodontid Sinovenator , which places it near the base of the troodontid (bird like) family.
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.
While historically considered synonymous with Troodon or more specifically the species Troodon formosus, Philip Currie and colleagues (1990) noted that the P. bakkeri fossils from the Hell Creek Formation and Lance Formation might belong to different species. In 1991, George Olshevsky assigned the Lance formation fossils to the species Troodon ...
That same decade Jack Horner reported the discovery of Troodon nests in Montana. [5] Interest in the life history of Troodon continued in the 1990s with a study of its growth rates based on histological sections of fossils taken from a bonebed in Montana [4] and the apparent pairing of eggs in Troodon nests. [5]
This is an accepted version of this page This is the latest accepted revision, reviewed on 18 January 2025. There is 1 pending revision awaiting review. Not to be confused with Planet Dinosaur. 2003 American TV series or program Dinosaur Planet Starring Scott D. Sampson Narrated by Christian Slater Composer Dean Grinsfelder Country of origin United States No. of seasons 1 No. of episodes 4 ...
Inside the world’s largest restaurant feeding over 15,000 athletes and prioritizing plant-based meals over meat ... 4 ‘bad’ vegetables you should eat for weight loss. Food. Cheapism. The 10 ...
When in 1896 the modern international Olympic Games began, weight lifting was an event at the first Games; and since 1920 weightlifting has been a regular part of the Olympics. [ 5 ] [ 7 ] By 1932 the Olympic competition comprised three lifts, all of which are different ways of lifting a weighted barbell from ground to overhead: namely the ...