Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update:
July 22nd, 2024.
 
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Genus
Xenopholis
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South American Flat-headed Snakes
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Südamerikanische Flachkopfnattern
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Sydamerikanske Fladhovedsnoge
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1869 |  |
Xenopholis Peters (type species: Xenopholis braconnieri Peters 1869) |
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1874 | |
Gerrhosteus Cope (type species: Gerrhosteus prosopis Cope 1874) |
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1901 | |
Paroxyrhopus Schenkel (type species: Paroxyrhopus reticulatus Schenkel 1900; syn. Hoge & Federsoni 1975) |
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1925 | |
Sympeltophis Werner (type species: Sympeltophis ungalioides Werner 1925) |
Contents:
3 species, none of which are endemic.
Endemism: 0%  100%
Distribution:
South America.
Reported from:
Bolivia,
Brazil
(Acre,
Alagoas,
Amapa,
Amazonas,
Bahia,
Ceara,
Distrito Federal,
Goias,
Maranhao,
Mato Grosso,
Mato Grosso do Sul,
Minas Gerais,
Para,
Paraiba,
Parana,
Pernambuco,
Rio de Janeiro,
Rondonia,
Sao Paulo,
Tocantins),
Ecuador,
French Guiana,
Paraguay,
Peru,
Surinam,
Venezuela.
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Xenopholis scalaris
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Northern Flat-headed Snake
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Nördliche Flachkopfnatter
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Nordlig Fladhovedsnog
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1861 | |
Elapomorphus scalaris Wucherer |
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Xenopholis scalaris Peters 1960 |
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1869 | |
Xenopholis braconnieri Peters (Peters & Orejas-Miranda 1970) |
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1874 | |
Gerrhosteus prosopis Cope (Peters & Orejas-Miranda 1970) |
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1925 | |
Sympeltophis ungalioides Werner (Peters & Orejas-Miranda 1970) |
Remarks:
Although reported from Guyana (e.g., Reynolds, MacCulloch, Tamessar, Watson, Cole & Townsend 2008; Cole, Townsend, Reynolds, MacCulloch & Lathrop 2013),
the species is apparently absent from the country (Kuijpers 2024).
Although reported also from Colombia by Pérez-Santos & Moreno (1988), presence in the country needs confirmation, according to the strongly critical review of this work by Cadle (1992),
in which he points out the considerable amount of unverifiable information presented by these authors.
Not mentioned from Bolivia by Pincheira-Donoso (2002).
Distribution:
Bolivia,
Brazil
(Acre,
Amapa,
Amazonas,
Bahia,
Espirito Santo,
Mato Grosso,
Para,
Pernambuco,
Rio de Janeiro,
Rondonia,
Sao Paulo),
Ecuador,
French Guiana,
Peru,
Surinam,
Venezuela.
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Xenopholis scalaris
© Henrik Bringsøe
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Xenopholis undulatus
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Southern Flat-headed Snake, (Jensen's Ground Snake)
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Südliche Flachkopfnatter
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Sydlig Fladhovedsnog
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1900 | |
Oxyrhopus undulatus Jensen |
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Paroxyrhopus undulatus Peters & Orejas-Miranda 1970 |
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Xenopholis undulatus Hoge & Federsoni 1975 |
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1900 | |
Paroxyrhopus reticulatus Schenkel (Hoge & Federsoni 1975) |
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1913 | |
Oxyrhopus latifrontalis Werner (Peters & Orejas-Miranda 1970) |
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Paroxyrhopus latifrontalis Amaral 1929 |
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1923 | |
Paroxyrhopus atropurpureus Amaral (Peters & Orejas-Miranda 1970) |
Remarks:
A Colombian record mentioned by Peters & Orejas-Miranda 1970 is based on misidentification.
Not mentioned for Mato Grosso do Sul by
Ferreira, Terra, Piatti, Delatorre, Strüssmann, Béda, Kawashita-Ribeiro, Landgref-Filho, Aoki, Campos, Souza, Ávila, Duleba, Martins, Rita & Albuquerque (2017).
Distribution:
Brazil
(Alagoas,
Ceara,
Distrito Federal,
Goias,
Maranhao,
Mato Grosso,
Mato Grosso do Sul,
Minas Gerais,
Para,
Paraiba,
Parana,
Pernambuco,
Piaui,
Sao Paulo,
Tocantins),
Paraguay.
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Xenopholis werdingorum
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Bolivian Flat-headed Snake
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Bolivianische Flachkopfnatter
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Boliviansk Fladhovedsnog
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2009 | |
Xenopholis werdingorum Jansen, Álvarez & Köhler |
Distribution:
Bolivia,
Brazil
(Mato Grosso,
Mato Grosso do Sul).
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