Citation: Midtgaard, Rune. RepFocus - A Survey of the Reptiles of the World. (www.repfocus.dk).
Latest update: December 31st, 2022.
 
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Genus
Amastridium
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Rusty-headed Snakes
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Rostkopfnattern
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Rusthovedsnoge
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1861 |  |
Amastridium Cope (type species: Amastridium veliferum Cope 1861) |
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1898 | |
Fleischmannia Boettger (type species: Fleischmannia obscura Boettger 1898) |
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1903 | |
Mimometopon Werner (type species: Mimometopon sapperi Werner 1903) |
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1905 | |
Phrydops Boulenger (type species: Phrydops melas Boulenger 1905) |
Contents:
2 species, none of which are endemic.
Endemism: 0%  100%
Distribution:
E. Mexico, Central America, NW. South America.
Reported from:
Belize,
Colombia,
Costa Rica,
Guatemala,
Honduras,
Mexico
(Chiapas,
Hidalgo,
Nuevo Leon,
Oaxaca,
Puebla,
Queretaro,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz),
Nicaragua,
Panama.
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Meristic and other data
of the world's snakes.
Compiled by
V. Wallach
Key to abbreviations
Head drawings of the
genus Amastridium.
Compiled by V. Wallach
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Amastridium sapperi
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Northern Rusty-headed Snake, (Sapper's Rusty-headed Snake)
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Nördliche Rostkopfnatter
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Nordlig Rusthovedsnog
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1903 | |
Mimometopon sapperi Werner |
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Amastridium sapperi Dunn 1925 |
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Amastridium veliferum sapperi Smith 1971 |
Remarks:
Regarded as a synonym or subspecies of veliferum by some authors (e.g., Wilson & Meyer 1969, 1985; Wilson 1988). Retained as a separate species in most recent works (e.g., Savage 2002; Liner 2007; García-Vázquez, Canseco-Márquez, Gutiérrez-Mayén & Trujano-Ortega 2009; Wilson & Johnson 2010; McCranie 2011).
Distribution:
Belize,
Guatemala,
Honduras,
Mexico
(Chiapas,
Hidalgo,
Nuevo Leon,
Oaxaca,
Puebla,
Queretaro,
San Luis Potosi,
Tabasco,
Tamaulipas,
Veracruz).
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Amastridium veliferum
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Southern Rusty-headed Snake, Rufous-headed Snake, Ridge-nosed Snake
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Südliche Rostkopfnatter
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Sydlig Rusthovedsnog
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1861 | |
Amastridium veliferum Cope |
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1898 | |
Fleischmannia obscura Boettger (Peters & Orejas-Miranda 1970) |
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1905 | |
Phrydops melas Boulenger (Peters & Orejas-Miranda 1970) |
Other common names:
veliferum: Cope's Rusty-headed Snake
Remarks:
Previously included sapperi. Records from Mexico south to Honduras refer to sapperi.
Distribution:
Colombia,
Costa Rica,
Nicaragua,
Panama.
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