archosauria वाक्य
उदाहरण वाक्य
मोबाइल
- Since the definition of Crurotarsi relies on phytosaurs, their placement outside Pseudosuchia ( and thus Archosauria ) means that the clade Crurotarsi includes both pseudosuchians and avemetatarsalians.
- The holotype of " Vytshegdosuchus " is also the oldest material currently considered as belonging to Archosauria from Russia, and the only from the Early Triassic.
- The choristoderans continued as a minor group until the Miocene, and the Archosauriformes were important factors in early Triassic environments before giving rise to the even more successful Archosauria.
- The phylogenetic analysis also indicates that Doswellidae is the closest large monophyletic clade to Archosauria ( only the Chinese archosauriform " Yonghesuchus " nested closer to archosaurs ).
- Michael Benton classifies all dinosaurs within the Series Amniota, Class Sauropsida, Subclass Diapsida, Infraclass Archosauromorpha, Division Archosauria, Subdivision Avemetatarsalia, Infradivision Ornithodira, and Superorder Dinosauria.
- Recent studies of the evolutionary relationships of early archosauriforms suggest that phytosaurs evolved before the split between crocodile-and bird-line archosaurs and are the sister taxon of Archosauria.
- Crocodilians are more closely related to birds and dinosaurs than to most animals classified as reptiles, the three families being included in the group Archosauria ('ruling reptiles').
- However, the phylogenetic analysis in that paper resulted in Erpetosuchidae being part of a polytomy with the two main branches of Archosauria, Pseudosuchia and Avemetatarsalia, a distant position from Crocodylomorpha.
- However, the presence of vertebrae in the intestines suggests that the exit was wide and that non-avian theropods in this respect were more like present Lepidosauromorpha than extant Archosauria who regurgitate.
- A phylogenetic analysis was conducted along with the naming of the genus . " Koilamasuchus " was found to be closely related to Archosauria, a crown group that includes living crocodilians and birds.
- However, using rank-based taxonomy, many modern zoologists define dinosaurs as Archosauria, and retain the Linnaean definition of birds as Aves . talk ) 21 : 56, 12 June 2014 ( UTC)
- Young, 1964 was formerly regarded as a species of " Proterosuchus ", but it was recently re-assessed as not belonging to a proterosuchid and instead a " nomen dubium " referable to Archosauria.
- These analyses revealed little change in the relationships ( apart from the constraints themselves ), but major chances to the traits associated with these relationships, changing the traits that were considered to diagnosed Pseudosuchia, Archosauria, and other clades.
- Gauthier's corpus is remarkable in that he contributed the foundational phylogenetic studies of Archosauria and Lepidosauria, two major amniote clades; and he was the primary author of the foundational and still widely cited phylogenetic study of Amniota as a whole.
- According to Nesbitt ( 2009 ), this trait is absent in Archosauria with the possible exception of " Arizonasaurus " and " Poposaurus ", but was used as a synapomorphy of Erythrosuchia in Parrish ( 1992 ) phylogenetic analysis.
- This group also includes all extinct non-avian dinosaurs, extinct crocodilian relatives, and pterosaurs . "'Archosauria "', the archosaur clade, is a crown group that includes the most recent common ancestor of living birds and crocodilians.
- Although originally classified as a coelurosaur or a ceratosaur, a new study of the fossil specimen found that it was too incomplete to assign to a group more specific than Archosauria, and so it was regarded as indeterminate by Rauhut and Hungerbuhler in 2000.
- Through utilizing the first genomic-scale phylogenetic analysis of ultraconserved elements ( UCEs ) to investigate the placement of turtles within reptiles, Crawford et al . ( 2012 ) also suggest that turtles are a sister group to birds and crocodiles ( the Archosauria ).
- Within diapsids, some place turtles within Archosauria, or, more commonly, as a sister group to extant archosaurs, though an analysis conducted by Lyson " et al . " ( 2012 ) recovered turtles as the sister group of lepidosaurs instead.
- Therefore, it's not clear if " Nundasuchus " is either a suchian that has convergences with far more basal archosaurs as the two phylogenetic analyses suggest, or an archosauriform related to Archosauria, with convergent morphology to the more advanced paracrocodylomorphs.
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