Red side-necked turtle
| Red side-necked turtle | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Pleurodira |
| Family: | Chelidae |
| Subfamily: | Chelinae |
| Genus: | Rhinemys Wagler, 1830 |
| Species: | R. rufipes
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| Binomial name | |
| Rhinemys rufipes | |
| Synonyms[5][6][7] | |
The red side-necked turtle (Rhinemys rufipes), red turtle, red-footed sideneck turtle,[1] William's toadhead turtle, or red-footed Amazon side-necked turtle[7] is a monotypic species of turtle in the family Chelidae. It is found in Brazil, Colombia, and possibly Peru.[7] This species is dimorphic in size meaning the sexes show different characteristics.[8] One study found that the largest female out of a group of 24 was 256 mm in carapace length. Out of that same group, the largest male was only 199 mm in carapace length.[8] A study focused on determining how these turtles acquire their sex discovered that it is not environmentally determined rather, it is a genetic sex determination. [9]
References[edit]
- ^ a b Tortoise & Freshwater Turtle Specialist Group 1996. Phrynops rufipes. 2006 IUCN Red List of Threatened Species. Downloaded on 29 July 2007.
- ^ Spix, J.B. von. 1824. Animalia nova; sive, Species novae Testudinum et Ranarum, quas in itinere per Brasiliam annis 1817-20 collegit et descripsit. F.S. Hübschmann, München. iv + 53 pp.
- ^ Wagler, J.G. 1830. Natürliches System der Amphibien, mit vorangehender Classification der Säugthiere und Vögel. München: J.G. Cotta’schen Buchhandlung, 354 pp.
- ^ Baur, G. 1893. Notes on the classification and taxonomy of the Testudinata. Proc. Amer. Philos. Soc. 31: 210-225
- ^ Peter Paul van Dijk, John B. Iverson, H. Bradley Shaffer, Roger Bour, and Anders G.J. Rhodin. 2012. Turtles of the World, 2012 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution, and Conservation Status. Chelonian Research Monographs No. 5, pp. 000.243–000.328.
- ^ Fritz Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World". Vertebrate Zoology. 57 (2): 343–344. doi:10.3897/vz.57.e30895. ISSN 1864-5755.
- ^ a b c Rhinemys rufipes , The Reptile Database
- ^ a b Viana PF, Feldberg E, Cioffi MB, de Carvalho VT, Menezes S, Vogt RC, et al. (September 2020). "The Amazonian Red Side-Necked Turtle Rhinemys rufipes (Spix, 1824) (Testudines, Chelidae) Has a GSD Sex-Determining Mechanism with an Ancient XY Sex Microchromosome System". Cells. 9 (9): 2088. doi:10.3390/cells9092088. PMC 7563702. PMID 32932633.
- ^ Viana, P. F., Feldberg, E., Cioffi, M. B., de Carvalho, V. T., Menezes, S., Vogt, R. C., Liehr, T., & Ezaz, T. (2020). The Amazonian Red Side-Necked Turtle Rhinemys rufipes (Spix, 1824) (Testudines, Chelidae) Has a GSD Sex-Determining Mechanism with an Ancient XY Sex Microchromosome System. Cells (Basel, Switzerland), 9(9), 1–. doi:10.3390/cells9092088
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