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Size of the largest known (left) and holotype (right) specimens compared to a human. Dilophosaurus was one of the earliest large predatory dinosaurs, a medium-sized theropod, though small compared to some of the later theropods. [2] [5] It was also the largest known land-animal of North America during the Early Jurassic. [6]
This list of nicknamed dinosaur fossils is a list of fossil non-avian dinosaur specimens given informal names or nicknames, in addition to their institutional catalogue numbers. It excludes informal appellations that are purely descriptive (e.g., "the Fighting Dinosaurs", "the Trachodon Mummy").
Speculative size compared to a human. Dracovenator is estimated to have measured between 5.5 and 6.5 m (18 and 21 ft) in length and 250 kg (550 lb) in body mass. [2] [3] The holotype specimen, BP/1/5243, consists of both premaxillae, a fragment of the maxilla, two dentary fragments, a partial surangular bone, a partial angular bone, a partial prearticular bone, an articular bone, and several ...
Scale diagram showing the holotype specimen (red) and the largest-known specimen (gray), compared in size with a human. Herrerasaurus was a lightly built bipedal carnivore with a long tail and a relatively small head. Adults had skulls up to 56 cm (22 in) long and were up to 6 m (20 ft) in total length [4] and 350 kg (770 lb) in weight. [38]
Dilophosaurus skull reconstruction by Brian Engh; Dilophosaurus skeletal by Scott Hartman "A comprehensive anatomical and phylogenetic evaluation of Dilophosaurus wetherilli (Dinosauria, Theropoda) with descriptions of new specimens from the Kayenta Formation of northern Arizona."
This is an accepted version of this page This is the latest accepted revision, reviewed on 17 February 2025. Clade containing most theropod dinosaurs Tetanurans Temporal range: Early Jurassic – Present, 201–0 Ma Pre๊ ๊ O S D C P T J K Pg N Six tetanurans (top left to bottom right): Monolophosaurus in combat with non-tetanuran dinosaur Tuojiangosaurus, Allosaurus, Deinocheirus ...
Eubrontes is the name of the footprints, identified by their shape, and not of the genus or genera that made them, which is as yet unknown but is presumed to be similar to Coelophysis or Dilophosaurus. They are most famous for their discovery in the Connecticut River Valley of Massachusetts in the early 19th century. They, among other ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 January 2025. Extinct superfamily of dinosaurs Coelophysoids Temporal range: Late Triassic - Early Jurassic, 227–183 Ma Pre๊ ๊ O S D C P T J K Pg N Mounted skeleton of Coelophysis bauri, Cleveland Museum of Natural History Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum ...