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Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.


Taxonomy of the family Chelidae
Bibliography of the genus Acanthochelys
Biodiversity of the family Chelidae








Genus
Acanthochelys

South American Side-necked Swamp Turtles

Südamerikanische Sumpfschildkröten

Sydamerikanske Sumphalsvendere

1873 Acanthochelys Gray (type species: Platemys spixii Dumeril & Bibron 1835)

Contents: 4 species, of which 1 (25.0%) is endemic.
Endemism: 0% 100%
Remarks: Previously placed in the genus Platemys.
Distribution: C. and S. South America, east of Andes.
Reported from: Argentina, Bolivia, Brazil (Alagoas, Bahia, Distrito Federal, Espirito Santo, Goias, Mato Grosso, Mato Grosso do Sul, Minas Gerais, Parana, Rio de Janeiro, Rio Grande do Sul, Santa Catarina, Sao Paulo, Sergipe), Paraguay, Uruguay.

Acanthochelys macrocephala

Large-headed Pantanal Swamp Turtle, Pantanal Big-headed Turtle

Pantanal-Sumpfschildkröte

Storhovedet Sumphalsvender

1984 Platemys macrocephala Rhodin, Mittermeier & McMorris
Acanthochelys macrocephala Iverson 1986
1992 Phrynops chacoensis Fritz & Pauler (Fritz & Havas 2006)
Acanthochelys chacoensis Bour in David 1994

Distribution: Bolivia, Brazil (Mato Grosso, Mato Grosso do Sul), Paraguay.


Acanthochelys pallidipectoris

Chaco Swamp Turtle, Chaco Side-necked Turtle

Chaco-Sumpfschildkröte, Sporn-Plattschildkröte

Chaco-sumphalsvender

1945 Platemys pallidipectoris Freiberg
Acanthochelys pallidipectoris Iverson 1986

Distribution: Argentina, Bolivia, Paraguay.


Acanthochelys radiolata

Brazilian Radiated Swamp Turtle, Coastal Swamp Turtle

Strahlen-Sumpfschildkröte

Brasiliansk Sumphalsvender

1820 Emys radiolata Mikan
Chelodina radiolata Fitzinger 1826
Rhinemys radiolata Wagler 1830
Chelys radiolata Gray in Griffith 1831
Hydraspis radiolata Gray 1831
Platemys radiolata Duméril & Bibron 1835
Acanthochelys radiolata Iverson 1986
1835 Platemys gaudichaudii Duméril & Bibron (Fritz & Havas 2006)
Hydraspis gaudichaudii Gray 1844
1900 Platemys werneri Schnee (Fritz & Havas 2006)
1926 Platemys radiolata quadrisquamosa Luederwaldt (Fritz & Havas 2006)
Platemys quadrisquamosa Fróes 1957

Remarks: Although recorded from Peru (Meede 1984), the species is not found in the country (Podloucky 1987). Although reported from Sao Paulo, the species does not occur in the state. Records from Sao Paulo were based on misinterpretation of a locality which is actually in the state of Rio de Janeiro (Garbin, Karlguth, Fernandes & Pinto 2016). Records from Mato Grosso (e.g., Rhodin, Silva & Mittermeier 1984; Iverson 1992) were probably based on mislabelled specimens. The species is not considered present in the state (Garbin, Karlguth, Fernandes & Pinto 2016). Presence in Amazonas (as reported by Wermuth & Mertens 1977) is also regarded as erroneous (Garbin, Karlguth, Fernandes & Pinto 2016, by implication).
Distribution: Brazil (Alagoas, Bahia, Espirito Santo, Minas Gerais, Rio de Janeiro, Sergipe).


Acanthochelys spixii

Black Spiny-necked Swamp Turtle, Spiny-necked Turtle, (Spix's Swamp Turtle)

Stachelhals-Sumpfschildkröte

Sort Sumphalsvender

1824 Emys depressa Spix [not Emys depressa Merrem 1820]
1835 Platemys spixii Duméril & Bibron
Hydraspis spixii Gray 1844
Acanthochelys spixii Gray 1873
Platemys radiolata spixi Pritchard 1979

Remarks: Records from Paraguay (e.g., Schenkel 1901) refer to pallidipectoris (Rhodin, Silva & Mittermeier 1984). Presence in Bahia is considered doubtful (Costa & Bérnils 2018).
Distribution: Argentina, Brazil (Bahia, Distrito Federal, Goias, Minas Gerais, Parana, Rio Grande do Sul, Santa Catarina, Sao Paulo), Uruguay.