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Rhodin, A. G. J., Métrailler, S., Vinke, T., Vinke, S., Artner, H. G., & Mittermeier, R. A. (2009). Acanthochelys macrocephala (rhodin, mittermeier, and mcmorris 1984) – big-headed pantanal swamp turtle, pantanal swamp turtle. In A. G. J. Rhodin, P. P. van Dijk, R. A. Saumure, K. A. Buhlmann & J. B.Iverson (Eds.), Vol. 5IUCN/SSC Tortoise and Freshwater Turtle Specialist Group. 
Added by: Admin (13 Dec 2009 17:36:47 UTC)
Resource type: Book Article
BibTeX citation key: Rhodin2009
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Categories: General
Keywords: Acanthochelys, Acanthochelys macrocephala, Chelidae, Habitat = habitat, Schildkröten = turtles + tortoises, Südamerika = South America
Creators: , Artner, B.Iverson, Buhlmann, van Dijk, Métrailler, Mittermeier, Rhodin, Saumure, Vinke, Vinke
Publisher: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group
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Summary. – The big-headed Pantanal swamp turtle, Acanthochelys macrocephala (Family Chelidae), is a medium-sized aquatic turtle (carapace length to 295 mm), endemic to the Pantanal and Chaco ecoregions of Brazil, Bolivia, and northern Paraguay. It has a limited distribution in the upper Río Paraguai drainage and is apparently restricted to the swampy lowlands of the Pantanal and the arid plains of the northern Chaco. The species inhabits marshes, wetland areas, shallow bays and brackish lagoons (salinas), as well as opportunistically utilizing ephemeral waterbodies, including roadside drainage ditches and farm irrigation reservoirs and artificial ponds in pasturelands (tajamares). Population levels appear relatively robust at present and the species is not uncommon, but ongoing patterns of habitat loss in the Chaco, combined with climate change leading to increased aridity and threat to ephemeral water resources potentially threaten the species, and it is currently categorized as Near Threatened on the IUCN Red List. Distribution. – Brazil, Bolivia, Paraguay. Distributed in the upper Río Paraguai drainage, in the Pantanal ecoregion encompassing parts of Mato Grosso and Mato Grosso do Sul in Brazil, eastern Bolivia, and northern Paraguay, and in the Chaco ecoregion of southern Bolivia and northern and central Paraguay. Synonymy. – Platemys macrocephala Rhodin, Mittermeier, and McMorris 1984, Acanthochelys macrocephala, Phrynops chacoensis Fritz and Pauler 1992, Acanthochelys chacoensis, Mesoclemmys chacoensis. Subspecies. – None currently recognized. Status. – IUCN 2009 Red List: Near Threatened (LR/nt) (assessed 1996, needs updating); CITES: Not Listed.
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