Choristoderes
WebApr 13, 2024 · Although the remains of large-bodied terrestrial taxa are relatively rare, several important microvertebrate localities have yielded large numbers of small vertebrate remains, including sharks, bony fish, mammals, turtles, crocodilians, choristoderes, pterosaurs, squamates and amphibians (Freeman 1976a, 1976b, 1979; Metcalf et al. WebThe Choristodera are one of those highly specialised Mesozoic groups that don't seem to be easily placed on the diapsid family tree. Although generally considered a minor group, they include a diverse range of …
Choristoderes
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WebChoristoderes were semi-aquatic or aquatic carnivorous reptiles that evolved during the Mesozoic Era (the Age of Dinosaurs) and died … WebSep 6, 2024 · Choristodera (from the Greek χωριστός chōristos + δέρη dérē, 'separated neck') is an extinct order of semiaquatic diapsid reptiles that ranged from the Middle Jurassic, or possibly Triassic, to the late Miocene (168 to 11.6 million years ago). Choristoderes are morphologically diverse, with the best known members being the ...
http://reptileevolution.com/champsosaurus.htm WebSep 1, 2024 · Choristodera is a clade of freshwater diapsid reptiles known from the Middle Jurassic to Miocene of Laurasia and characterized by a unique combination of characters (e.g., dorsoventrally depressed cordiform skull, prefrontals meeting along the midline, conical subthecodont marginal teeth, neurovascular foramina in the lateral surface of the …
WebBecause crocodilians and dinosaurs share a common ancestor with choristoderes and also care for their young, it may be that this behavior is the ancestral condition in all reptiles. In “Mystery of the Lost Reptiles,” paleontologist Daniel T. Ksepka writes about this diverse and long-overlooked group of aquatic reptiles, and explores why ... WebChoristoderes are extinct semi-aquatic to aquatic diapsid reptiles, occupying a similar niche as modern crocodilians from the Jurassic to the Miocene. Distinct from other diapsids, choristoderes have a neomorphic ossification between the …
WebChoristodera is an unusual linage of diapsid sauropsids. Having evolved in the late Triassic, at the very end of the reptilian radiation that preceeded the reign of the dinosaurs, these animals diversified as aquatic animals.
WebJan 19, 2015 · Choristoderes are a group of relatively small aquatic and semi-aquatic diapsid reptiles which emerged in the Middle Jurassic Period more than 160 million years ago. is frida kahlo mexican americanWebDec 13, 2005 · Although choristoderes have a good Lower Cretaceous record in Asia, they have never previously been recorded from Jurassic deposits. Here we describe fragmentary vertebral material referable to Choristodera indet. from the Middle Jurassic Balabansai Svita of the Fergana Valley, Kyrgyzstan. s23 ultra wireless chargerChoristoderes are exclusively found in freshwater deposits, often associated with turtles, fish, frogs, salamanders and crocodyliformes. They appear to have been almost exclusively found in warm temperate climates, with the range of neochoristoderes extending to the high Canadian Arctic during … See more Choristodera (from the Greek χωριστός chōristos + δέρη dérē, 'separated neck' ) is an extinct order of semiaquatic diapsid reptiles that ranged from the Middle Jurassic, or possibly Triassic, to the late Miocene (168 … See more Choristoderes vary substantially in size, the smallest genera like Cteniogenys and Lazarussuchus had a length of only around 30 cm (12 in), and the largest known choristoderan, Kosmodraco dakotensis is estimated to have had a total length of around 5 m (16 ft). See more Choristoderes are universally agreed to be members of Neodiapsida, but their exact placement in the clade is uncertain, due to their mix of primitive and derived features, and a long See more • de Braga M, Rieppel O (1997). "Reptile phylogeny and the interrelationships of turtles". Zoological Journal of the Linnean Society. 120 (3): 281–354. doi:10.1111/j.1096-3642.1997.tb01280.x. • Erickson BR (1972). The Lepidosaurian Reptile … See more Choristodera was erected in 1876, originally as a suborder of Rhynchocephalia by Edward Drinker Cope to contain Champsosaurus, which was described from See more Choristoderes must have diverged from all other known reptile groups prior to the end of the Permian period, over 250 million years ago, based on their primitive phylogenetic … See more s23 ultra wallet casesWebMar 29, 2012 · disappeared from the fossil record in the Eocene, but choristoderes survived into the European Neogene in the form of the small, superficially lizard-like Lazarussuchus. This taxon was originally described from … s23 ultra wireless charging speedWebDefinition of choristodere in the Definitions.net dictionary. Meaning of choristodere. What does choristodere mean? Information and translations of choristodere in the most comprehensive dictionary definitions resource on the web. is friday 15th april a bank holidayWeb角鼻龙类. 1. ceratosaurians “大鼻龙类”的英文 s23 ultra tough caseWebNeochoristodera. Neochoristodera is a lineage of specialised crocodile -like fully aquatic choristodere reptiles. Noted for their long jaws and large size, these animals were predominant across the Northern Hemisphere, occurring in freshwater and coastal environments across the Cretaceous and early,middle Cenozoic . s23 ultra wireless charging