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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 Adelphicos
Biodiversity of the family Colubridae


Central American Burrowing Snakes, Middle American Burrowing Snakes, (Middle American Earth Snakes)

Zentralamerikanische Wühlnattern

Centralamerikanske Gravesnoge

1862 Adelphicos Jan (type species: Adelphicos quadrivirgatus Jan 1862)
1866 Rhegnops Cope (type species: Rhegnops visoninus Cope 1866)
Contents: 9 species, of which 7 (77.8%) are endemic.
Endemism: 0% 100%
Remarks: The grammatical gender of Adelphicos is neuter (LaDuc 1995).
Distribution: E. Mexico, N. Central America.
Reported from: Belize, Guatemala, Honduras, Mexico (Chiapas, Hidalgo, Nuevo Leon, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tabasco, Tamaulipas, Veracruz), Nicaragua.

Adelphicos daryi

Guatemalan Brown Burrowing Snake, Highlands Burrowing Snake

Guatemalische Braune Wühlnatter

Guatemalansk Brun Gravesnog

1982 Adelphicos daryi Campbell & Ford

Distribution: Guatemala.

Adelphicos ibarrorum

Quiché Burrowing Snake



1988 Adelphicos ibarrorum Campbell & Brodie

Distribution: Guatemala.

Adelphicos latifasciatum

Oaxacan Burrowing Snake



1966 Adelphicos veraepacis latifasciatus Lynch & Smith
Adelphicos latifasciatus Campbell & Ford 1982

Distribution: Mexico (Chiapas, Oaxaca).

Adelphicos newmanorum

Nuevo Leon Burrowing Snake, (Newman's Burrowing Snake)


Nuevo Leon-gravesnog

1950 Adelphicos newmanorum Taylor
Adelphicos quadrivirgatum newmanorum Liner 1994

Remarks: Regarded as a subspecies or synonym of quadrivirgatum by some authors (e.g., Liner 1994, 2007; Smith, Chiszar & Mancilla-Moreno 2001; Liner & Casas-Andreu (eds.) 2008; Wallach, Williams & Boundy 2014), but as a separate species by others (e.g., Wilson & Johnson 2010). Not mentioned for San Luis Potosi by Lemos-Espinal, Smith & Woolrich-Piña (2018).
Distribution: Mexico (Nuevo Leon, San Luis Potosi, Tamaulipas).

Adelphicos nigrilatum

Chiapas Burrowing Snake



1942 Adelphicos veraepacis nigrilatus Smith
Adelphicos nigrilatus Campbell & Ford 1982

Distribution: Mexico (Chiapas).

Adelphicos quadrivirgatum

Mexican Four-lined Burrowing Snake, Middle American Burrowing Snake, (Jan's Burrowing Snake)

Mexicanische Vierstreifen-Wühlnatter

Mexicansk Firstribet Gravesnog

1862 Adelphicos quadrivirgatus Jan

Remarks: Previously included newmanorum, sargii, and visoninum. Now restricted to Mexico. Records from the Isthmus of Tehuatepec in Veracruz and Oaxaca eastwards into Central America represent visoninum (Mendoza-Quijano, Campos-Rodríguez, López-Vidal, Smith & Chiszar 2003).
Distribution: Mexico (Hidalgo, Oaxaca, Puebla, Queretaro, San Luis Potosi, Veracruz).

Adelphicos sargii

Guatemalan Four-lined Burrowing Snake, (Sargi's Burrowing Snake)

Guatemalischer Vierstreifen-Wühlnatter

Guatemalansk Firstribet Gravesnog

1885 Rhegnops sargii Fischer
Adelphicos sargii Cope 1887
Adelphicos quadrivirgatus sargii Smith 1942

Remarks: Revalidated as a separate species by Smith, Chiszar & Mancilla-Moreno (2001), but still regarded as a synonym of quadrivirgatum by Wallach, Williams & Boundy (2014).
Distribution: Guatemala, Mexico (Chiapas).

Adelphicos veraepacis

Alta Verapaz Burrowing Snake


Alta Verapaz-gravesnog

1941 Adelphicos veraepacis Stuart

Remarks: Previously included latifasciatum.
Distribution: Guatemala.

Adelphicos visoninum

Honduran Four-lined Burrowing Snake, (Cope's Burrowing Snake)

Honduranische Wühlnatter

Honduransk Firstribet Gravesnog

1866 Rhegnops visoninus Cope
Adelphicos visoninus Cope 1887
Adelphicos quadrivirgatus visoninus Smith 1942
1883 Adelphicos quadrivirgatus acutirostrum Bocourt (Smith & Taylor 1945)
Adelphicos visonium acutirostrus Mendoza-Quijano, Campos-Rodriguez, Lopez-Vidal, Smith & Chiszar 2003

Remarks: Revalidated as a separate species by Smith, Chiszar & Mancilla-Moreno (2001), followed by others (e.g., Liner 2007; Liner & Casas-Andreu (eds.) 2008), however, not all authors recognize visoninum as distinct from quadrivirgatum (e.g., Acevedo, Wilson, Cano & Vázquez-Almazán 2010; Stafford, Walker, Edgar & Penn 2010; Sunyer & Köhler 2010; Wilson & Johnson 2010; Wallach, Williams & Boundy 2014).
Distribution: Belize, Guatemala, Honduras, Mexico (Chiapas, Oaxaca, Tabasco, Veracruz), Nicaragua.