Senectosaurus: Difference between revisions
←Created page with '{{Short description|Genus of extinct pareiasaur}} {{Speciesbox | fossil_range = Late Permian {{fossilrange|259|252.3|(Vyatkian Substage<ref name=Vyatkian>{{Cite web |title=Vyatkian age/stage |url=http://www.fossilworks.org/cgi-bin/bridge.pl?action=displayInterval&interval_no=852 |access-date=2023-12-26 |website=Fossilworks}}</ref>)}} | image = | image_caption = | display_parents = 2 | genus = Senectosaurus | species = karamzini | authority = Boyarinova...' |
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Revision as of 08:34, 26 December 2023
| Senectosaurus Temporal range: Late Permian
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | †Parareptilia |
| Order: | †Procolophonomorpha |
| Clade: | †Pareiasauria |
| Family: | †Pareiasauridae |
| Genus: | †Senectosaurus |
| Species: | †S. karamzini
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| Binomial name | |
| †Senectosaurus karamzini Boyarinova & Golubev 2023
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Senectosaurus (meaning "old lizard") is an extinct genus of pareiasaur from the Late Permian Kutuluk Formation of Russia. The genus contains a single species, S. karamzini, known from a partial postcranial skeleton including osteoderms.
Discovery and naming
The Senectosaurus holotype specimen, PIN no. 5864/1, was discovered in sediments of the Kutuluk Formation (Chroniosaurus levis Zone) of Orenburg Region, Buzuluksky District, Russia. The specimen consists of several postcranial associated but disarticulated bones, including 11 osteoderms, a partial right pelvis, the left ilium, a fragmentary right scapula, both ulnae, a tibia and fibula, the left femur, a tarsal, several ribs, and some dorsal vertebrae.[2]
In 2023, Boyarinova & Golubev described Senectosaurus karamzini as a new genus and species of pareiasaur based on these fossil remains. The generic name, "Senectosaurus", is derived from the Latin "senectus", meaning "old", and the Greek "sauros", meaning "lizard". The specific name, "karamzini", honors Nikolai Mikhailovich Karamzin, a Russian historian and writer, as the holotype was discovered near his family estate.[2]
References
- ^ "Vyatkian age/stage". Fossilworks. Retrieved 2023-12-26.
- ^ a b Boyarinova, E. I.; Golubev, V. K. (2023). "A new pareiasaur (Parareptilia) from the Lower Vyatkian (Upper Permian) of Orenburg Region, Russia". Paleontological Journal. 57 (6): 646–658. doi:10.1134/S0031030123060023.
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