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Announced in 2020; the final version of the article naming it was published in 2021. Garrigatitan [64] Gen. et sp. nov Valid Díez Díaz et al. Late Cretaceous Grès à Reptiles France. A titanosaur sauropod. The type species is G. meridionalis. Announced in 2020; the final version of the article naming it was published in 2021.
Archosauria (lit. ' ruling reptiles ') or archosaurs (/ ˈ ɑːr k ə ˌ s ɔːr / [3]) is a clade of diapsid sauropsid tetrapods, with birds and crocodilians being the only extant representatives.
Archosaurus (meaning "ruling lizard") is an extinct genus of carnivorous proterosuchid archosauriform reptile. [1] Its fossils are dated to the latest Permian of Russia and Poland , it is one of the earliest known archosauriforms.
A study on the phylogenetic relationships of Wieslochia weissi, Crosnoornis nargizia, Jamna szybiaki, Resoviaornis jamrozi and an unnamed passerine from the Oligocene of France described by Riamon, Tourment & Louchart (2020) [374] is published by Lowi-Merri et al. (2024). [375]
Archosauriformes (Greek for 'ruling lizards', and Latin for 'form') is a clade of diapsid reptiles encompassing archosaurs and some of their close relatives. It was defined by Jacques Gauthier (1994) as the clade stemming from the last common ancestor of Proterosuchidae and Archosauria. [3]
Announced in 2020; the final version of the article naming it was published in 2021. Yuanchuavis [317] Gen. et sp. nov Valid Wang et al. Early Cretaceous Jiufotang Formation China. A member of Enantiornithes belonging to the family Pengornithidae. The type species is Y. kompsosoura. Yuornis [318] Gen. et sp. nov In press Xu et al. Late Cretaceous
Articles relating to the Archosaurs, a clade of diapsids, with birds and crocodilians as the only living representatives. Archosaurs are broadly classified as reptiles, in the cladistic sense of term which includes birds.
A 2020 study of range of motion in the hindlimbs of Euparkeria found conflicting evidence for its posture. The structure of the femur (thigh bone) and hip socket suggest that the legs were capable of a very wide range of motion, ranging from a nearly vertical stance to a thigh which projects forwards, backwards, or outwards at a nearly ...