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Atractus

(Genus)

Overview

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Atractus is a genus of colubrid ground snakes that belong to the Xenodontinae subfamily. The genus includes more than 80 distinct species.2]

Geographic range

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Snakes of the genus Atractus are endemic to Central and South America.

Description

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This snake's maxilla is short, with 8-12 teeth; the maxillary and mandibular teeth decrease in size posteriorly. The head is not distinct from the neck; the eyes are small, with round or subelliptic pupils. Its body is cylindrical; the dorsal scales are smooth, without pits, in 15 or 17 rows; the ventral sscales are rounded. The tail can be either short or rather long; its subcaudals are paired.[3]

Species

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1961 -- Venezuela Ground Snake
  • Atractus dunni Savage, 1955
  • Atractus ecuadorensis Savage, 1955
  • Atractus elaps (G?nther, 1858)
  • Atractus emigdioi Gonzales-Sponga, 1971
  • Atractus emmeli (Boettger, 1888)
  • Atractus erythromelas Boulenger, 1903
  • Atractus favae (Filippi, 1840)
  • Atractus flammigerus (F. Boie, 1827)
  • Atractus fuliginosus (Hallowell, 1845)
  • Atractus gaigeae Savage, 1955
  • Atractus gue ntheri (Wucherer, 1861)
  • Atractus indistinctus Prado, 1940
  • Atractus insipidus Roze, 1961
  • Atractus iridescens Peracca, 1896
  • Atractus lancinii Roze, 1961
  • Atractus lasallei Amaral, 1931
  • Atractus latifrons (G?nther, 1868)
  • Atractus lehmanni Boettger, 1898
  • Atractus limitaneus (Amaral, 1935) -- Limitan Ground Snake
  • Atractus loveridgei Amaral, 1930
  • Atractus maculatus (G?nther, 1858)
  • Atractus major Boulenger, 1894 -- Brown Ground Snake
  • Atractus manizalesensis Prado, 1940
  • Atractus mariselae Lancini, 1969
  • Atractus melanogaster Werner, 1916
  • Atractus melas Boulenger, 1908
  • Atractus micheli Mocquard, 1904
  • Atractus microrhynchus (Cope, 1868)
  • Atractus modestus Boulenger, 1894 -- Modest Ground Snake
  • Atractus multicinctus (Jan, 1865)
  • Atractus nicefori Amaral, 1930 -- Northern Ground Snake
  • Atractus nigricaudus Schmidt & Walker, 1943
  • Atractus nigriventris Amaral, 1933
  • Atractus obesus Marx, 1960
  • Atractus obtusirostris Werner, 1916 -- Bignose Ground Snake
  • Atractus occidentalis Savage, 1955
  • Atractus occipitoalbus (Jan, 1862)
  • Atrac tus oculotemporalis Amaral, 1932
  • Atractus pamplonensis Amaral, 1937
  • Atractus paraguayensis Werner, 1924
  • Atractus paucidens Despax, 1910
  • Atractus pauciscutatus Schmidt & Walker, 1943 -- Little-scaled Ground Snake
  • Atractus peruvianus (Jan, 1862)
  • Atractus poeppigi (Jan, 1862) -- Basin Ground Snake
  • Atractus punctiventris Amaral, 1933
  • Atractus resplendens Werner, 1901
  • Atractus reticulatus (Boulenger, 1885)
  • Atractus riveroi Roze, 1961
  • Atractus roulei Despax, 1910 -- Roule's Ground Snake
  • Atractus sanctaemartae Dunn, 1946
  • Atractus sanguineus Prado, 1944
  • Atractus schach (F. Boie, 1827)
  • Atractus serranus Amaral, 1930
  • Atractus snethlageae Cunha & Nascimento, 1983
  • Atractus steyermarki Roze, 1958
  • Atractus taeniatus Griffin, 1916
  • Atractus torquatus (A.M.C. Dum?ril, Bibron & A. Dum?ril, 1854)
  • Atractus trilineatus Wagler, 1828 -- Three-lined Ground Snake
  • Atractus trivittatus Amaral, 1933
  • Atractus univittatus (Jan, 1862) -- One-banded Ground Snake
  • Atractus variegatus Prado, 1942
  • Atractus ventrimaculatus Boulenger, 1905
  • Atractus vertebralis Boulenger, 1904
  • Atractus vertebrolineatus Prado, 1941
  • Atractus wagleri Prado, 1945
  • Atractus werneri Peracca, 1914
  • Atractus zidoki Gasc & Rodriques, 1979

    • References

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    1. ^ Boulenger, G.A. 1894. Catalogue of the Snakes in the British Museum (Natural History), Volume II. London. p. 300.
    2. ^ "Atractus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=206979. Retrieved 24 March 2011. 
    3. ^ Boulenger, G. A. 1894 Catalogue of the Snakes in the British Museum (Natural History), Volume II. London. p. 300.
    4. ^ Costa, G.C. (2009). "Atractus albuquerquei". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/176349. Retrieved 2011-03-24. 
    5. ^ Castro, F. (2009). "Atractus biseriatus". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/ details/176350. Retrieved 2011-03-24. 
    6. ^ Lehr, E. & Aguilar, C. (2009). "Atractus bocourti". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/176351. Retrieved 2011-03-24. 

    Taxonomy

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    The Genus Atractus is further organized into finer groupings including:

    References

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    1. ^ Boulenger, G.A. 1894. Catalogue of the Snakes in the British Museum (Natural History), Volume II. London. p. 300.
    2. ^ "Atractus". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=206979. Retrieved 24 March 2011. 
    3. ^ Boulenger, G. A. 1894 Catalogue of the Snakes in the British Museum (Natural History), Volume II. London. p. 300.
    4. ^ Costa, G.C. (2009). "Atractus albuquerquei". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/176349. Retrieved 2011-03-24. 
    5. ^ Castro, F. (2009). "Atractus biseriatus". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/176350. Retrieved 2011-03-24. 
    6. ^ Lehr, E. & Aguilar, C. (2009). "Atractus bocourti". IUCN Red List of Threatened Species. Version 2010.4. International Union for Conservation of Nature. http://www.iucnredlist.org/apps/redlist/details/176351. Retrieved 2011-03-24. 

    Sources

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    Last Revised: August 24, 2012
    2012/08/24 14:04:53