Trichodactylidae is a
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
of
crab
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...
s, in its own
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
, Trichodactyloidea. They are all
freshwater
Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...
animals from
Central
Central is an adjective usually referring to being in the center of some place or (mathematical) object.
Central may also refer to:
Directions and generalised locations
* Central Africa, a region in the centre of Africa continent, also known as ...
and
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 southe ...
, including some offshore islands, such as
Ilhabela
Ilhabela (Portuguese for ''Beautiful Island'') is an archipelago and city situated in the Atlantic Ocean off the coast of São Paulo state in Brazil. The city is from the city of São Paulo and from the city of Rio de Janeiro. The largest isla ...
,
São Paulo
São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC a ...
. Only one of the 50 species is known from the
fossil record
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in ...
, ''
Sylviocarcinus piriformis'' from the
Miocene
The Miocene ( ) is the first geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by Scottish geologist Charles Lyell; the name comes from the Greek words (', "less") and (', "new") and means "less recen ...
of
Colombia
Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...
.
The family contains 15 genera in two subfamilies:
;Subfamily Dilocarcininae
Pretzmann, 1978
*''
Bottiella''
Magalhães & Türkay, 1996
*''
Dilocarcinus''
H. Milne-Edwards, 1853
*''
Forsteria''
Bott, 1969
*''
Fredilocarcinus''
Pretzmann, 1978
*''
Goyazana''
Bott, 1969
*''
Melocarcinus''
Magalhães & Türkay, 1996
*''
Moreirocarcinus''
Magalhães & Türkay, 1996
*''
Poppiana''
Bott, 1969
*''
Rotundovaldivia''
Pretzmann, 1968
*''
Sylviocarcinus''
H. Milne-Edwards, 1853
*''
Valdivia
Valdivia (; Mapuche: Ainil) is a city and commune in southern Chile, administered by the Municipality of Valdivia. The city is named after its founder Pedro de Valdivia and is located at the confluence of the Calle-Calle, Valdivia, and Cau-Cau R ...
''
White, 1847
*''
Zilchiopsis''
Bott, 1969
;Subfamily Trichodactylinae
H. Milne-Edwards, 1853
*''
Avotrichodactylus''
Pretzmann, 1968
*''
Rodriguezia
''Rodriguezia'', abbreviated Rdza. in the horticultural trade, is a genus of orchids. It consists of 49 known species, native to tropical America from southern Mexico and the Windward Islands south to Argentina, with many of the species endemic t ...
''
Bott, 1969
*''
Trichodactylus''
Latreille, 1829
References
External links
*
Crabs
Freshwater crustaceans of South America
Extant Miocene first appearances
Taxa named by Henri Milne-Edwards
Decapod families
{{crab-stub