Home - Taxonomy - Geography - Biodiversity - Literature - Purchase RepFocus Recent updates
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 Alsophis
Biodiversity of the family Colubridae


Eastern Caribbean Racers

Ostkaribische Zornnattern

Østcaribiske Pilsnoge

1843 Alsophis Fitzinger (type species: Psammophis antillensis Schlegel 1837)
Contents: 7 species, of which 5 (71.4%) are endemic.
Endemism: 0% 100%
Remarks: Previously included species currently placed in Borikenophis, Cubophis, Haitiophis, Hypsirhynchus, and Pseudalsophis.
Distribution: West Indies (Lesser Antilles).
Reported from: Anguilla (Anguilla Island, Little Scrub Island), Antigua & Barbuda (Great Bird Island, Green Island, Rabbit Island, York Island), Dominica, GuadeloupeGuadeloupe mainland, Iles des Saintes [Ilet a Cabrit, Terre-de-Bas, Terre-de-Haut]), Montserrat, Saba, Saint Barthelemy (incl. Ilet Tortue), Sint Eustatius.

Alsophis antiguae

Antigua Racer



1933 Alsophis leucomelas antiguae Parker
Alsophis antillensis antiguae Schwartz 1966
Alsophis antiguae Schwartz & Henderson 1991
1990 Alsophis antiguae sajdaki Henderson (Daltry & Mayer 2010)
Alsophis sajdaki Hedges, Couloux & Vidal 2009

Other common names:
sajdaki: Great Bird Island Racer
Remarks: Extinct on Barbuda and the main island of Antigua. Confined to Great Bird Island by the 1980s, but reintroduced to three more offshore islands: Green, Rabbit, and York (Daltry 2006b, 2006c, 2007; Daltry & Mayer 2010). The subspecies sajdaki is thought by some to represent a full species (Hedges, Couloux & Vidal 2009; Wallach, Williams & Boundy 2014), which would render antiguae extinct, however, there is evidence against this proposition (Daltry & Mayer 2010).
Extinct in: Antigua & Barbuda (Antigua, Barbuda).
Distribution (incl. reintroductions): Antigua & Barbuda (Great Bird Island, Green Island, Rabbit Island, York Island).

Alsophis antillensis

Guadeloupe Racer, (Leeward Racer, Antillean Racer)



1837 Psammophis antillensis Schlegel
Alsophis antillensis Brongersma 1937
1844 Dromicus leucomelas Duméril & Bibron (Schwartz & Henderson 1988)

Remarks: Previously included manselli, sanctonum, and sibonius.
Extinct in: Guadeloupe (Marie-Galante).
Distribution: GuadeloupeGuadeloupe mainland).

Alsophis manselli

Montserrat Racer



1933 Alsophis leucomelas manselli Parker
Alsophis antillensis manselli Schwartz 1966
Alsophis manselli Hedges, Couloux & Vidal 2009

Distribution: Montserrat.

Alsophis rijgersmaei

Anguilla Bank Racer, (Leeward Islands Racer)



1869 Alsophis rijgersmaei Cope
1887 Alsophis cinereus Garman (Schwartz & Henderson 1988)

Remarks: Specific epithet sometimes misspelt rygersmaei or rijersmai (e.g., Schwartz & Thomas 1975; Schwartz & Henderson 1988; Schwartz & Henderson 1991).
Extinct in: Saint Barthelemy (Ile Fourchue), Saint Martin.
Distribution: Anguilla (Anguilla Island, Little Scrub Island), Saint Barthelemy (incl. Ilet Tortue).

Alsophis rufiventris

Orange-bellied Racer, Red-bellied Racer, Saba Racer

Karibische Rotbauch-Zornnatter

Caribisk Rødbuget Pilsnog

1854 Dromicus rufiventris Dumeril, Bibron & Dumeril
Alsophis rufiventris Garman 1887

Extinct in: Saint Kitts & Nevis (Nevis, Saint Kitts).
Introduced to: Saint Martin.
Distribution: Saba, Sint Eustatius.

Alsophis sanctonum

Iles des Saintes Racer


Iles des Saintes-pilsnog

1915 Alsophis sanctonum Barbour
Alsophis leucomelas sanctonum Barbour 1937
Alsophis antillensis sanctonum Lazell 1967
1938 Alsophis leucomelas danforthi Cochran (Hedges, Couloux & Vidal 2009)
Alsophis antillensis danforthi Lazell 1967
Alsophis danforthi Zaher 1999
Alsophis sanctonum danforthi Breuil 2002

Remarks: Revalidated as a separate species by Breuil (2002) and Hedges, Couloux & Vidal (2009).
Distribution: Guadeloupe (Iles des Saintes [Ilet a Cabrit, Terre-de-Bas, Terre-de-Haut]).

Alsophis sibonius

Dominican Racer



1879 Alsophis sibonius Cope
Alsophis leucomelas sibonius Barbour 1937
Alsophis antillensis sibonius Schwartz 1966

Remarks: Revalidated as a separate species by Zaher (1999).
Distribution: Dominica.