The Maranhão slider (''Trachemys adiutrix''), also commonly known as the Brazilian slider,
or Carvalho's slider, 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 ...
Emydidae
Emydidae (Latin (freshwater tortoise) + Ancient Greek (, "appearance, resemblance")) is a family of testudines (turtles) that includes close to 50 species in 10 genera. Members of this family are commonly called terrapins, pond turtles, or mar ...
.
Geographic range
''Trachemys adiutrix'' 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 northeastern
Brazil
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 ...
. One of its English common names refers to the Brazilian state of
Maranhão
Maranhão () is a States of Brazil, state in Brazil. Located in the country's Northeast Region, Brazil, Northeast Region, it has a population of about 7 million and an area of and it is divided into 217 municipalities. Clockwise from north, it ...
, but it also occurs in the Brazilian state of
Piauí
Piauí ( ) is one of the states of Brazil, located in the country's Northeast Region, Brazil, Northeast Region. The state has 1.6% of the Brazilian population and produces 0.7% of the Brazilian GDP.
Piauí has the shortest coastline of any coas ...
.
Etymology
The
specific name, ''adiutrix'', which is
Latin
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...
feminine
Femininity (also called womanliness) is a set of attributes, behaviors, and Gender roles, roles generally associated with women and girls. Femininity can be understood as Social construction of gender, socially constructed, and there is also s ...
for "helper", comes in honor of Dr. Maria do Socorro Pinheiro, field companion of Vanzolini.
[ Her surname, Socorro, means "help" in Portuguese.]
The eponym
An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''.
Eponyms are commonly used for time periods, places, innovati ...
, Carvalho's slider, is in honor of Brazilian 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 ...
Antenor Leitão de Carvalho
Antenor Leitão de Carvalho was a Brazilian herpetologist and Ichthyology, ichthyologist, born on 15 April 1910 and died on 11 December 1985 in Rio de Janeiro.
Taxa named in his honor
* ''Hypostomus carvalhoi'' is a species of catfish in the ...
.
Taxonomy
''T. adiutrix'' is sometimes considered a subspecies
In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
of '' T. dorbigni'' as ''T. dorbigni adiutrix'',[ which may have been introduced.]
References
Further reading
*
Trachemys
Endemic reptiles of Brazil
Turtles of South America
Turtles of Brazil
Endangered biota of South America
Reptiles described in 1995
Taxonomy articles created by Polbot
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