Phrynops williamsi

Phrynops williamsi, also known commonly as Williams' side-necked turtle, Williams' South American sideneck turtle, William's [sic] South American side-necked turtle, William's [sic] toadhead turtle, and Williams' toadhead turtle, is a species of turtle in the family Chelidae. The species is endemic to South America.

Phrynops williamsi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Testudines
Suborder: Pleurodira
Family: Chelidae
Genus: Phrynops
Species:
P. williamsi
Binomial name
Phrynops williamsi
Rhodin & Mittermeier, 1983[2][3][4]

Etymology

The specific name, williamsi, is in honor of American herpetologist Ernest E. Williams.[5]

Geographic range

P. williamsi is found in southeastern Brazil, Uruguay, and Argentina.[6]

Habitat

The preferred natural habitat of P. williamsi is freshwater wetlands, at altitudes of 80–1,000 m (260–3,280 ft).[1]

References
  1. Rhodin AGJ, Bressan RF, Buskirk JR, Cabrera MR, Carreira S, Estrades A, Mittermeier RA, Vinke S, Vinke T (2018). "Phrynops williamsi ". The IUCN Red List of Threatened Species 2018: e.T172024A1339018. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T172024A1339018.en. Downloaded on 04 January 2021.
  2. Rhodin, Anders G.J., and Mittermeier, Russell A. (1983). "Description of Phrynops williamsi, a new species of chelid turtle of the South American P. geoffroanus complex". pp. 58-73. In: Rhodin, A.G.J., and Miyata, K. (Editors) (1983). Advances in Herpetology and Evolutionary Biology. Essays in Honor of Ernest E. Williams. Cambridge, Massachusetts: Museum of Comparative Zoology.
  3. Fritz, Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World" (PDF). Vertebrate Zoology. 57 (2): 341–342. ISSN 1864-5755. Archived from the original (PDF) on 2010-12-17. Retrieved 29 May 2012.
  4. van Dijk, Peter Paul, 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.
  5. Beolens, Bo, Michael Watkins, and Michael Grayson (2011). The Eponym Dictionary of Reptiles. Baltimore, Maryland: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Phrynops williamsi, p. 286).
  6. Phrynops williamsi. The Reptile Database. www.reptile-database.org.

Further reading
  • Borteiro, Claudio; Kolenc, Francisco; Prigioni, Carlos (2015). "A new noteworthy record of Phrynops williamsi Rhodin & Mittermeier (Testudines, Chelidae) in Uruguay". Cuadernos de Herpetología 29 (1): 95–96.
  • Buskirk, James R. (1989). "Field observations on Phrynops williamsi and other Uruguayan chelonians". Vivarium 1 (4): 8–11.
  • Cabrera, Mario R. (1993). "Phrynops williamsi (Williams' South American Sideneck Turtle). Argentina: Corrientes". Herpetological Review 24 (2): 65–66.



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