Namoi River snapping turtle
| Namoi River snapping turtle | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Testudines |
| Suborder: | Pleurodira |
| Family: | Chelidae |
| Genus: | Myuchelys |
| Species: | M. bellii
|
| Binomial name | |
| Myuchelys bellii | |
| Synonyms[5][6] | |
The Namoi River snapping turtle (Myuchelys bellii), also commonly known as Bell's turtle, the Namoi River elseya, or Bell's saw-shelled turtle, is a species of turtle in the family Chelidae.[2][1][7] The species is endemic to New South Wales, Australia.[citation needed]
Description
[edit]Myuchelys bellii is the largest species in the Myuchelys genus with adult males (up to 227 mm carapace length) smaller than females (up to 300 mm carapace length). They are a uniform light to dark brown color with a broad oval shape. Juveniles display a serrated posterior edge of the carapace this may persist into so adults but begin to smooth. The plastron in adults is a pale yellow with dark dark patches or streaks. Have a prominent shield on dorsal surface of the head extending posterior toward but not touching the tympanum. Forelimbs each have five claws and the hind limbs have four claws. Gray tail which is shorter than half the carapace length. Hatchling have a (mean carapace length 26.7 ± 0.3 mm; mean carapace width 26.8 ± 0.6 mm, n = 16).[8]
Etymology
[edit]The specific name, bellii, and some of the common names, are in honor of English zoologist Thomas Bell.[9]
Geographic range
[edit]M. bellii occurs in the upper reaches of the Namoi, Gwydir,[1] Macdonald,[5]: 328 and Severn rivers in northern New South Wales, Australia.[10][page needed] A disjunct population occurs in Bald Rock Creek, in southeast Queensland.[1]
References
[edit]- ^ a b c d Tortoise & Freshwater Turtle Specialist Group (2016) [errata version of 1996 assessment]. "Elseya bellii". IUCN Red List of Threatened Species. 1996: e.T40758A97265406. doi:10.2305/IUCN.UK.1996.RLTS.T40758A10362671.en. Retrieved 3 June 2024.
- ^ a b c Rhodin 2011, p. 000.213.
- ^ Gray, John Edward (1844). Catalogue of the Tortoises, Crocodiles, and Amphisbænians, in the Collection of the British Museum. London: Trustees of the British Museum. (Edward Newman, printer). viii + 80 pp. (Phrynops bellii, new species, pp. 41-42).
- ^ Thomson, Scott & Georges, Arthur (2009). "Myuchelys gen. nov. a new genus for Elseya latisternum and related forms of Australian freshwater turtle (Testudines: Pleurodira: Chelidae)". Zootaxa. 2053 (1): 32–42. doi:10.11646/zootaxa.2053.1.2.
- ^ a b Fritz 2007, p. 328.
- ^ "Myuchelys bellii ". The Reptile Database. www.reptile-database.org.
- ^ "Approved Conservation Advice for Elseya belli (Bell's turtle)" (PDF). 26 March 2008. Retrieved 9 January 2013.
- ^ Rhodin, Anders; Pritchard, Peter; van Dijk, Peter Paul; Saumure, Raymond; Buhlmann, Kurt; Iverson, John; Mittermeier, Russell, eds. (2015-09-06). Conservation Biology of Freshwater Turtles and Tortoises. Chelonian Research Monographs. Vol. 5 (First ed.). Chelonian Research Foundation. doi:10.3854/crm.5.088.bellii.v1.2015. ISBN 978-0-9653540-9-7.
- ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Elseya bellii, p. 22).
- ^ New South Wales National Parks & Wildlife Service (2003). Threatened Species of the New England Tablelands & NW Slopes of NSW. ISBN 0-7313-6673-5.
Further reading
[edit]- Cann J (1998). Australian Freshwater Turtles. Singapore: Beaumont Publishing. 292 pp. ISBN 978-9810406868.
- Fritz, Uwe; Havaš, Peter (2007). "Checklist of Chelonians of the World" (PDF). Vertebrate Zoology. 57 (2). Archived (PDF) from the original on 2011-05-01. Retrieved 2012-05-13.
- Rhodin, Anders G.J.; van Dijk, Peter Paul; Iverson, John B.; Shaffer, H. Bradley; Bour, Roger (2011-12-31). "Turtles of the World, 2011 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution and Conservation Status" (PDF). Chelonian Research Monographs. 5. Archived (PDF) from the original on 2012-01-31.
- Thomson S, Georges A (2009). "Myuchelys gen nov. — a new genus for Elseya latisternum and related forms of Australian freshwater turtle (Testudines: Pleurodira: Chelidae)". Zootaxa 2053: 32–42.
- Wells RW (2007). "Some taxonomic and nomenclatural considerations on the class Reptilia in Australia. A new genus of the family Chelidae from eastern Australia". Australian Biodiversity Record (3): 1-13.
External links
[edit]
- Bell's turtle from the Government of Queensland