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''Phrynops williamsi'', also known commonly as Williams' side-necked turtle, Williams' South American sideneck turtle, William's South American side-necked turtle, William's toadhead turtle, and Williams' toadhead turtle, is a
''Phrynops williamsi''
The Reptile Database. www.reptile-database.org.
''Phrynops williamsi'', also known commonly as Williams' side-necked turtle, Williams' South American sideneck turtle, William's South American side-necked turtle, William's toadhead turtle, and Williams' toadhead turtle, is a species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
of turtle
Turtles are reptiles of the order (biology), order Testudines, characterized by a special turtle shell, shell developed mainly from their ribs. Modern turtles are divided into two major groups, the Pleurodira (side necked turtles) and Crypt ...
in the family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Chelidae
Chelidae is one of three living families of the turtle suborder Pleurodira, and are commonly called Austro-South American side-neck turtles. The family is distributed in Australia, New Guinea, parts of Indonesia, and throughout most of South Amer ...
. The species is endemic
Endemism is the state of a species being found only 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 foun ...
to South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a considerably smaller portion in the Northern Hemisphere. It can also be described as the southern Subregion#Americas, subregion o ...
.
Etymology
Thespecific name Specific name may refer to:
* in Database management systems, a system-assigned name that is unique within a particular database
In taxonomy, either of these two meanings, each with its own set of rules:
* Specific name (botany), the two-part (bino ...
, ''williamsi'', is in honor of American herpetologist
Herpetology (from Ancient Greek ἑρπετόν ''herpetón'', meaning "reptile" or "creeping animal") is a branch of zoology concerned with the study of amphibians (including frogs, salamanders, and caecilians (Gymnophiona)) and reptiles (in ...
Ernest E. Williams.
Geographic range
''P. williamsi'' is found in southeasternBrazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
, Uruguay
Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...
, and Argentina
Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
.The Reptile Database. www.reptile-database.org.
Habitat
The preferred naturalhabitat
In ecology, habitat refers to the array of resources, biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species' habitat can be seen as the physical manifestation of its ...
of ''P. williamsi'' is freshwater wetlands
A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...
, at altitudes of .
References
Further reading
*Borteiro, Claudio; Kolenc, Francisco; Prigioni, Carlos (2015). "A new noteworthy record of ''Phrynops williamsi'' Rhodin & Mittermeier (Testudines, Chelidae) in Uruguay". ''Cuadernos de Herpetología'' 29 (1): 95–96. *Buskirk, James R. (1989). "Field observations on ''Phrynops williamsi'' and other Uruguayan chelonians". ''Vivarium'' 1 (4): 8–11. *Cabrera, Mario R. (1993). "''Phrynops williamsi'' (Williams' South American Sideneck Turtle). Argentina: Corrientes". ''Herpetological Review'' 24 (2): 65–66.External links
* williamsi Turtles of South America Reptiles of Argentina Turtles of Brazil Reptiles of Uruguay Reptiles described in 1983 {{turtle-stub