Red-necked pond turtle

Red-necked pond turtle
	Female M. nigricans
Conservation status
	; Endangered (IUCN 2.3)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Testudinoidea
Family:	Geoemydidae
Genus:	Mauremys
Species:	M. nigricans
Binomial name
	Mauremys nigricans; Grey, 1834[1]
Synonyms[2]
	Emys nigracans Gray, 1856 (ex errore); Clemmys nigricans Strauch, 1862; Damonia nigricans Gray, 1869; Chinemys nigricans Fang, 1934; Geoclemys kwangtungensis Pope, 1934; Clemmys kuangtungensis Mell, 1938 (ex errore); Chinemys kwangtungensis Bourret, 1941; Geoclemys palaeannamitica Bourret, 1941; Chinemys palaeannamitica Bour, 1980; Mauremys nigricans Spinks, Shaffer, Iverson & McCord, 2004;

The red-necked pond turtle (Mauremys nigricans)[1] is a species of turtles in the family Geoemydidae[1] endemic to China.[1] It is most likely restricted to Guangxi and Guangdong provinces, although pre-historic skull remains have been found in northern Vietnam and Hainan.[3] Other common names include Kwangtung river turtle and black-necked pond turtle.[4]

Anatomy and morphology

A megacephalic form of the red-necked pond turtle exists, commonly called 'dumb-head'. This form is rarer than the smaller headed individuals.[3] This species has strong sexual dimorphism with a significant size difference between males and females. The largest recorded male's carapace measured 185mm (7.2 in) in length whereas females with a size up to 298 mm (11.7 in) have been found.[5]

References

Rhodin 2010, p. 000.112
Fritz Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World" (PDF). Vertebrate Zoology. 57 (2): 232. ISSN 1864-5755. Archived from the original (PDF) on 2010-12-17. Retrieved 29 May 2012.
"Chinesische Rothals-Schildkröte". Turtle Island (in German). Retrieved 2019-07-03.
Ben Anders; John Iverson (2012). "Mauremys nigricans (Gray 1834)" (PDF). Conservation Biology of Freshwater Turtles and Tortoises. ISSN 1088-7105. Retrieved 5 Feb 2016.
Anders, Ben (2012). "Red-Necked Pond Turtle, Chinese Red-Necked Turtle, Kwangtung River Turtle, Black-Necked Pond Turtle" (PDF). Chelonian Research Monographs. 5.

Asian Turtle Trade Working Group 2000. Chinemys nigricans. 2006 IUCN Red List of Threatened Species. Downloaded on 29 July 2007.

Bibliography

Rhodin, Anders G.J.; van Dijk, Peter Paul; Inverson, John B.; Shaffer, H. Bradley (2010-12-14). "Turtles of the World 2010 Update: Annotated Checklist of Taxonomy, Synonymy, Distribution and Conservation Status" (PDF). Archived from the original (PDF) on 2010-12-15. Retrieved 2010-12-15.

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[Rhodin112-1] Rhodin 2010, p. 000.112

[Fritz_2007-2] Fritz Uwe; Peter Havaš (2007). "Checklist of Chelonians of the World" (PDF). Vertebrate Zoology. 57 (2): 232. ISSN 1864-5755. Archived from the original (PDF) on 2010-12-17. Retrieved 29 May 2012.

[Chinesische_Rothals-Schildkröte-3] "Chinesische Rothals-Schildkröte". Turtle Island (in German). Retrieved 2019-07-03.

[Anders_and_Iverson-4] Ben Anders; John Iverson (2012). "Mauremys nigricans (Gray 1834)" (PDF). Conservation Biology of Freshwater Turtles and Tortoises. ISSN 1088-7105. Retrieved 5 Feb 2016.

[5] Anders, Ben (2012). "Red-Necked Pond Turtle, Chinese Red-Necked Turtle, Kwangtung River Turtle, Black-Necked Pond Turtle" (PDF). Chelonian Research Monographs. 5.