''Helicops'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of snakes of 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 ...
Colubridae
Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ev ...
. The genus 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 ...
.
Species
The following 20
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 ...
are recognized as being valid.
[.]
*''
Helicops acangussu
''Helicops acangussu'' is a species of snake in the family Colubridae. It is endemic to Brazil, in the state of Rondônia
Rondônia () is one of the 26 states of Brazil, located in the northern subdivision of the country (central-western par ...
''
*''
Helicops angulatus
The brown-banded water snake (''Helicops angulatus'') is a species of aquatic snake found in tropical South America and Trinidad and Tobago. It is also known as the water mapepire.
Description
The brown-banded water snake grows to a maximum ...
''
*''
Helicops apiaka
''Helicops apiaka'' is a species of snake in the family Colubridae. It is endemic to Brazil, in the state of Mato Grosso
Mato Grosso ( – lit. "Thick Bush") is one of the states of Brazil, the third largest by area, located in the Central- ...
''
*''
Helicops boitata
''Helicops boitata'' is a species of snake in the family Colubridae. It is endemic to the state of Mato Grosso
Mato Grosso ( – lit. "Thick Bush") is one of the states of Brazil, the third largest by area, located in the Central-West regi ...
''
*''
Helicops carinicaudus
''Helicops carinicaudus'' is a species of snake in the family Colubridae. It is endemic to eastern Brazil. Specimens from Colombia are likely mislabeled, probably representing ''Helicops danieli''.
There are two subspecies:
The former subspecie ...
'' - Wied's keelback
*''
Helicops danieli
''Helicops danieli'', Daniel's keelback, is a species of snake in the family Colubridae. It is found in Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America� ...
''
*''
Helicops gomesi
''Helicops gomesi'', also known commonly as the São Paulo keelback and ''cobra d'água'' in Brazilian Portuguese, is a species of snake in the family Colubridae. The species is endemic to Brazil.
Etymology
The specific name, ''gomesi'', is in ...
''
*''
Helicops hagmanni''
*''
Helicops infrataeniatus
''Helicops infrataeniatus'' is a species of snake in the family Colubridae. It is found in South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small port ...
''
*''
Helicops leopardinus''
*''
Helicops modestus
''Helicops modestus'', the olive keelback, is a species of snake in the family Colubridae. It is endemic to Brazil, and can be found in the states of São Paulo, Rio de Janeiro, Minas Gerais, Mato Grosso do Sul, Goiás, and the Federal District o ...
''
*''
Helicops nentur
''Helicops nentur '' is a species of snake in the family Colubridae. It is endemic to Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin Amer ...
''
*''
Helicops pastazae
''Helicops pastazae'', Shreve's keelback, is a species of snake in the family Colubridae.
It is found in Ecuador, Colombia, Venezuela, and Peru
, image_flag = Flag of Peru.svg
, image_coat = Escudo nacional del Pe ...
''
*''
Helicops petersi
''Helicops petersi'', the spiral keelback, is a species of snake in the family Colubridae. It is found in Ecuador
Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, Repúblic ...
''
*''
Helicops phantasma
''Helicops phantasma'' is a species of snake in the family Colubridae. It is endemic to Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin Am ...
''
*''
Helicops polylepis
''Helicops polylepis'', Norman's keelback, is a species of snake in the family Colubridae. It is found in Brazil, Colombia, Peru, and Bolivia
, image_flag = Bandera de Bolivia (Estado).svg
, flag_alt = Horizo ...
''
*''
Helicops scalaris''
*''
Helicops tapajonicus
''Helicops tapajonicus'' is a species of snake in the family Colubridae. It is found in Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin Am ...
''
*''
Helicops trivittatus
''Helicops trivittatus'', the equatorial keelback, is a species of snake in the family Colubridae. It is found in Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both S ...
''
*''
Helicops yacu
''Helicops yacu'', the Peru keelback, is a species of snake in the family Colubridae. It is found in Peru and Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South ...
''
''
Nota bene
(, or ; plural form ) is a Latin phrase meaning "note well".
It is often abbreviated as NB, n.b., or with the ligature
and first appeared in English writing . In Modern English, it is used, particularly in legal papers, to draw the atte ...
'': A
binomial authority
In taxonomy, binomial nomenclature ("two-term naming system"), also called nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, bot ...
in parentheses indicates that the species was originally described in a genus other than ''Helicops''.
References
Further reading
*
Freiberg M (1982). ''Snakes of South America''. Hong Kong: T.F.H. Publications. 189 pp. . (''Helicops'', p. 99).
*
Wagler J (1828). ''Descriptiones et Icones Amphibiorum''. Part I, Plates I-XIII. Munich, Stuttgart, Tübingen: J.G. Cotta. (''Helicops'', new genus, Plate VII). (in Latin).
*https://serpientesdevenezuela.org/helicops-scalaris/
{{Taxonbar, from=Q5091622
Helicops
Snake genera
Taxa named by Johann Georg Wagler