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Bones from other parts of the body were found in 2009 and 2010. Five tracks made by a three-toed archosaur – presumably a theropod dinosaur – were found in rocks that were 1 metre (3.3 ft) above the layer where Smok was found. The footprints may belong to Smok, but the lack of foot bones in the skeleton make this association uncertain. [1]
Call it shovel and pail-eontology. Three North Dakota boys made the extraordinary discovery of a highly rare Tyrannosaurus rex fossil that could change what we know about dinosaurs.
Review of studies of dinosaur reproduction and ontogeny, and of challenges in the studies of dinosaur reproductive biology, is published by Chapelle, Griffin & Pol (2025). [ 19 ] Deiques et al. (2025) report the discovery of new dinosaur tracks from the Upper Jurassic Guará Formation ( Brazil ), including second record of an ankylosaur track ...
The Children's Museum reopened its revamped Dinosphere in March of 2022, and it added several finds from the Big Horn Basin dig site. Those include two sauropods, about 65 feet long each; a marine ...
A crocodile-like creature bit the neck of a flying dinosaur some 76 million years ago – and scientists have proof. Archaeologists found the fossilized neck bone of the young pterosaur in Canada ...
This tissue may have first appeared in ornithodires, the Triassic archosaur group from which dinosaurs are thought to have evolved. [18] Medullary bone has been found in specimens of sub-adult size, which suggests that dinosaurs reached sexual maturity before they were full-grown. Sexual maturity at sub-adult size is also found in reptiles and ...
Fragment of long bone of a dinosaur is described from the Upper Cretaceous (Santonian–Campanian) sediments near the village of Izhberda (Orenburg Oblast, Russia) by Skutschas et al. (2022), who interpret the histological features of this bone as indicative of rapid continuous growth known in large-sized dinosaurs, and interpret this finding ...
Rauisuchians are a category of archosaurs within a larger group called Pseudosuchia, which encompasses all archosaurs more closely related to crocodilians than to birds and other dinosaurs. First named in the 1940s, Rauisuchia was a name exclusive to Triassic archosaurs which were generally large (often 4 to 6 metres (13 to 20 ft)), carnivorous ...