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Comment on: "Distribution of the dentary groove of theropod dinosaurs: Implications for theropod phylogeny and the validity of the genus Nanotyrannus Bakker et al., 1988", 20.500.11820/f1e76074-47eb-4c25-b4c1-a3782551fd5a, "Growing up Tyrannosaurus rex: Osteohistology refutes the pygmy "Nanotyrannus" and supports ontogenetic niche partitioning in juvenile, "A high-resolution growth series of Tyrannosaurus rex obtained from multiple lines of evidenceAuthor Dr. Thomas D. Carr discusses his new study", "Age and growth dynamics of Tyrannosaurus rex", "Gender-specific reproductive tissue in ratites and, "Sexual maturity in growing dinosaurs does not fit reptilian growth models", "Chemistry supports the identification of gender-specific reproductive tissue in Tyrannosaurus rex", "Growing up Tyrannosaurus rex: Osteohistology refutes the pygmy "Nanotyrannus" and supports ontogenetic niche partitioning in juvenile Tyrannosaurus", "These sleek predatory dinosaurs really are teenage T. rex", Burke Museum of Natural History and Culture, "Chapter 18: The Extreme Life Style and Habits of the Gigantic Tyrannosaurid Superpredators of the Cretaceous North America and Asia", "Tyrannosauroid integument reveals conflicting patterns of gigantism and feather evolution", "T. Rex Like You Haven't Seen Him: With Feathers", "Basal tyrannosauroids from China and evidence for protofeathers in tyrannosauroids", "A gigantic feathered dinosaur from the Lower Cretaceous of China", "The Sensitive Face of a Big Predatory Dinosaur", "MORPHOLOGY, TAXONOMY, AND PHYLOGENETIC RELATIONSHIPS OF THE MONTEVIALE CROCODYLIANS (OLIGOCENE, ITALY). [158] [38] Since then, several paleontologists have sought to determine the ability of Tyrannosaurus to regulate its body temperature. Growth curves indicate that, as in mammals and birds, T. rex growth was limited mostly to immature animals, rather than the indeterminate growth seen in most other vertebrates. Their initial research indicated that the skull bones were fused, and that it therefore represented an adult specimen. These and other skull-strengthening features are part of the tyrannosaurid trend towards an increasingly powerful bite, which easily surpassed that of all non-tyrannosaurids. This also confirmed the identity of the specimen as a female. , which has sold over a million copies and won the Smarties Prize, one of the UK's top children's book awards. [183][184][185] Even higher estimates were made by Mason B. Meers in 2003. Download Citation | Tyrannosaurus Drip (review) | "In a prehistoric swamp" dwells a herd of duckbill dinosaurs, peaceful souls who enjoy their damp habitat and vegetarian diet; on a . 354 Top "Tyrannosaurus Drip" Teaching Resources curated for you. The first specimen, found in 1994 was described by Lockley and Hunt and consists of a single, large footprint. [76] A small but nearly complete skull from Montana, 60 centimeters (2.0ft) long, might be an exception. The reading ages online suggest the book is for a 68-year-old, if reading alone out loud, if not it is suitable for much younger readers too with the help of a parent. In my view, Tyrannosaurus Drip is, with the Gruffalo, the best of Julia Donaldson's books, if one of the least well known.