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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 Colubridae
Bibliography of the genus Amastridium
Biodiversity of the family Colubridae








Genus
Amastridium

Rusty-headed Snakes

Rostkopfnattern

Rusthovedsnoge

1861 Amastridium Cope (type species: Amastridium veliferum Cope 1861)
1898 Fleischmannia Boettger (type species: Fleischmannia obscura Boettger 1898)
1903 Mimometopon Werner (type species: Mimometopon sapperi Werner 1903)
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.

Amastridium sapperi

Northern Rusty-headed Snake, (Sapper's Rusty-headed Snake)

Nördliche Rostkopfnatter

Nordlig Rusthovedsnog

1903 Mimometopon sapperi Werner
Amastridium sapperi Dunn 1925
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).


Amastridium veliferum

Southern Rusty-headed Snake, Rufous-headed Snake, Ridge-nosed Snake

Südliche Rostkopfnatter

Sydlig Rusthovedsnog

1861 Amastridium veliferum Cope
1898 Fleischmannia obscura Boettger (Peters & Orejas-Miranda 1970)
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.