Acanthochelys spixii

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Cladus: Archelosauria
Division: Pan-Testudines
Division: Testudinata
Ordo: Testudines
Infraordo: Pan-Pleurodira
Subordo: Pleurodira
Superfamilia: Chelidoidea

Familia: Chelidae
Subfamilia: Chelinae
Genus: Acanthochelys
Species: Acanthochelys spixii
Name

Acanthochelys spixii Duméril & Bibron 1835:409

Type locality: Prov. Rio de Janeiro und Rio San Francisco, Brasilien.

Holotype: ZSM 3003/3
Synonyms

Emys depressa Spix 1824 (non Emys depressa Merrem 1820)
Emys depressa Wied 1824
Platemys Spixii Duméril and Bibron 1835:409 (nom. nov. pro Emys depressa Spix)
Hydraspis spixii Gray 1844
Hydraspis spixii Gray 1855:69
Platemys Spixii Boulenger 1886:424
Platemys radiolata spixii Pritchard 1979
Platemys spixii Ernst 1983
Acanthochelys spixii Iverson 1986
Platemys spixii Lehmann 1988
Platemys spixii Ernst & Barbour 1989
Acanthochelys spixii Cei 1993
Acanthochelys spixii TTWG 2014

References

Duméril, A.M.C., and G. Bibron. 1835. Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Vol. 2. Librairie Encyclopédique de Roret, Paris, iv + 680 p.
Turtle Taxonomy Working Group (Rhodin, A.G.J., Iverson, J.B., Bour, R., Fritz, U., Georges, A., Shaffer, H.B. & van Dijk, P.P.). 2017. Turtles of the World: Annotated Checklist and Atlas of Taxonomy, Synonymy, Distribution, and Conservation Status (8th Ed.). Chelonian Research Monographs 7: 1–292. ISBN 978-1-5323-5026-9. DOI: 10.3854/crm.7.checklist.atlas.v8.2017. Paywall. Full article (PDF). Reference page.

Vernacular names
Deutsch: Stachelhals-Plattschildkröte
English: Black Spine-necked Swamp Turtle

The black spine-neck swamp turtle (Acanthochelys spixii), also commonly known as the spiny-neck turtle or Spix's sideneck turtle, is a species of turtle in the family Chelidae. The species is endemic to South America, specially in the Southern Cone region.
Etymology

The specific name, spixii, is in honor of German biologist Johann Baptist von Spix.[6]
Geographic range

A. spixii is found in Argentina, Brazil, Uruguay,[7] and possibly Paraguay.
References

Tortoise & Freshwater Turtle Specialist Group (1996). "Acanthochelys spixii ". IUCN Red List of Threatened Species. 1996: e.T76A97260200. doi:10.2305/IUCN.UK.1996.RLTS.T76A13075785.en. Retrieved 11 January 2018.{{cite iucn}}: error: |doi= / |page= mismatch (help)
Duméril AMC, Bibron G (1835). Erpétologie Générale ou Histoire Naturelle Complète des Reptiles, Tome Second [Volume 2]. Paris: Librairie Encyclopédique de Roret. ii + 680 pp. (Platemys spixii, new name, p. 409). (in French).
Spix JB von (1824). Animalia nova; sive, Species novae Testudinum et Ranarum, quas in itinere per Brasiliam annis 1817-20 collegit et descripsit. Munich: F.S. Hübschmann. iv + 53 pp. (Emys depressa, new species, p. 4). (in Latin).
Gray JE (1873). "Observations on Chelonians, with Descriptions of new Genera and Species". Annals and Magazine of Natural History, Fourth Series 11: 289-308. (Acanthochelys spixii, new combination, p. 305).
Turtle Taxonomy Working Group (van Dijk PP, Iverson JB, Rhodin AGJ, Shaffer HB, Bour R) (2014). "Turtles of the world, 7th edition: annotated checklist of taxonomy, synonymy, distribution with maps, and conservation status". In: Rhodin AGJ, Pritchard PCH, van Dijk PP, Saumure RA, Buhlmann KA, Iverson JB, Mittermeier RA (Editors) (2014) Conservation Biology of Freshwater Turtles and Tortoises: A Compilation Project of the IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. Chelonian Research Monographs 5 (7): 000.329–000.479, doi:10.3854/ crm.5.000.checklist.v7.2014.
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. (Acanthochelys spixii, p. 250).
Species Acanthochelys spixii at The Reptile Database www.reptile-database.org.