Gamosaurus
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Scientific classification 
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Gamosaurus is an extinct genus of proterosuchid archosauriform. It contains a single species, Gamosaurus lozovskii, named by Vitalii Georgievich Ochev in 1979.[1]
Discovery and explanation
It is known from the Early Triassic (latest Olenekian stage) Yarenskian Gorizont of the European section of Russia. Gamosaurus is known solely from fragmentary material collected from the a fossil assemblage called the Parotosuchus fauna of the Upper Yarenskian Gorizont, in the Gam locality in Aikino district of the Komi Republic. Gamosaurus occurs with the erythrosuchian Garjainia and with material possibly referable to the paracrocodylomorph Vytshegdosuchus.[1][2]
It was tentatively synonymized with Chasmatosuchus in a 2016 study by Ezcurra et al., but was revived again as a distinct genus by Ezcurra in a 2023 in a taxonomic overview of Proterosuchidae, who found its vertebral morphology to be distinct from that of Chasmatosuchus. Both were placed in the new subfamily Chasmatosuchinae.[3][4]
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content.Ochev, Vitalii G. (1979). "New early Triassic Archosaurian Reptiles from the east of the European Regions of the USSR". Paleontological Journal. 13 (1): 97–102.
- ^ Page Module:Citation/CS1/styles.css has no content.Sterling J. Nesbitt (2009). The early evolution of archosaurs: Relationships and the origin of major clades (PhD thesis). Columbia University. Archived from the original on 2013-12-02.
- ^ Page Module:Citation/CS1/styles.css has no content.Ezcurra, Martín D. (2016-04-28). "The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms". PeerJ. 4 e1778. doi:10.7717/peerj.1778. ISSN 2167-8359. PMC 4860341. PMID 27162705.
- ^ Page Module:Citation/CS1/styles.css has no content.Ezcurra, Martín D.; Bandyopadhyay, Saswati; Sengupta, Dhurjati P.; Sen, Kasturi; Sennikov, Andrey G.; Sookias, Roland B.; Nesbitt, Sterling J.; Butler, Richard J. (25 October 2023). "A new archosauriform species from the Panchet Formation of India and the diversification of Proterosuchidae after the end-Permian mass extinction". Royal Society Open Science. 10 (10). Bibcode:2023RSOS...1030387E. doi:10.1098/rsos.230387. ISSN 2054-5703. PMC 10598453. PMID 37885992.
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