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The bones indicate that the dinosaur was a juvenile and that its body could have weighed about 1.7 kg, [2] [4] and about the size of a chicken. Since the digestive secretions in the stomach of crocodiles are strong, the preserved dinosaur means that it was eaten shortly before the crocodyliform's death. [ 10 ]
Modern crocodilians, a subgroup of Neosuchia, emerged during the Late Cretaceous. [8] Crocodylomorph diversity was severely reduced by the end-Cretaceous extinction event . [ 9 ] The last group of terrestrially adapted crocodylomorphs was the Sebecidae , a group of large predatory notosuchians which persisted in South America until the middle ...
Neosuchia is a clade within Mesoeucrocodylia that includes all modern extant crocodilians and their closest fossil relatives. [1] It is defined as the most inclusive clade containing all crocodylomorphs more closely related to Crocodylus niloticus (the Nile Crocodile ) than to Notosuchus terrestris . [ 2 ]
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 ...
The name Pseudosuchia was originally given to a group of superficially crocodile-like prehistoric reptiles from the Triassic period, but fell out of use in the late 20th century, especially after the name Crurotarsi was established in 1990 to label the clade (evolutionary grouping) of archosaurs encompassing most reptiles previously identified as pseudosuchians.
But dinosaur brain cases more closely resemble those of modern-day reptiles like crocodiles, Caspar said. For animals like crocodiles, brain matter occupies only 30% to 50% of the brain cavity.
A study intending to identify the evolutionary processes that drove the diversification of dinosaur body mass is published by Benson et al. (2018). [1]A study on the impact of geography on the evolutionary radiation of dinosaurs is published by O'Donovan, Meade & Venditti (2018), who note increasing amounts of sympatric speciation as terrestrial space became a limiting factor.
The researchers identified a series of 9-inch-long prints as belonging to an ancient crocodylomorph, a group that includes living crocodilians (alligators, crocodiles, and other similarly-sized ...