The southern blind snake (''Rena unguirostris'') is a
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of
snake
Snakes are elongated, limbless, carnivorous reptiles of the suborder Serpentes . Like all other squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales. Many species of snakes have skulls with several more j ...
in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Leptotyphlopidae
The Leptotyphlopidae (commonly called slender blind snakes or thread snakes) are a family of snakes found in North America, South America, Africa and Asia. All are fossorial and adapted to burrowing, feeding on ants and termites. Two subfamilie ...
.
[ McDiarmid RW, Campbell JA, Touré T (1999). ''Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1''. Washington, District of Columbia: Herpetologists' League. 511 pp. (series). (volume).] The species is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found els ...
to
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...
.
Geographic range
''R. unguirostris'' is found in
Argentina
Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, t ...
,
Bolivia
, image_flag = Bandera de Bolivia (Estado).svg
, flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center
, flag_alt2 = 7 × 7 square p ...
, and
Paraguay
Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...
.
[
]
Reproduction
''R. unguirostris'' is oviparous
Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), a ...
.[
]
References
Further reading
* Adalsteinsson SA, Branch WR, Trape S, Vitt LJ, Hedges SB (2009). "Molecular phylogeny, classification, and biogeography of snakes of the family Leptotyphlopidae (Reptilia, Squamata)" ''Zootaxa'' 2244: 1-50. (''Rena unguirostris'', new combination).
* Boulenger GA (1902). "List of the Fishes, Batrachians, and Reptiles collected by the late Mr. P. O. Simons in the Provinces of Mendoza and Cordova, Argentina". ''Ann. Mag. Nat. Hist., Seventh Series'' 9 (53): 336–339. (''Glauconia unguirostris'', new species, p. 338).
*Cacciali, Pier; Scott, Norman J.; Aquino Ortíz, Aida Luz; Fitzgerald, Lee A.; Smith, Paul (2016). ''The Reptiles of Paraguay: Literature, Distribution, and an Annotated Taxonomic Checklist''. Albuquerque, New Mexico: The Museum of Southwestern Biology, University of New Mexico. 373 pp. (''Rena unguirostris'', p. 291).
Rena (genus)
Reptiles described in 1902
{{Scolecophidia-stub