heterotremata
Heterotremata is a clade of crabs, comprising those crabs in which the genital openings are on the sternum in females, but on the legs in males. It comprises 68 families in 28 superfamilies.
Evolution
Heterotremata is the sister group to Thorac ...
n
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 belonging to the family
Retroplumidae
Retroplumidae is a family of heterotrematan crabs, placed in their own (monotypic) superfamily, Retroplumoidea.
Classification
Eight genera are recognised, of which all but two are only known from fossils:
*'' Archaeopus'' † Rathbun, 1908
*'' ...
. The extant species survive in the deep sea of the
Indo-Pacific
The Indo-Pacific is a vast biogeographic region of Earth.
In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
''
Retropluma craverii
''Retropluma craverii'' is an extinct species of heterotrematan crabs belonging to the family Retroplumidae. The species name ''craverii'' honors the Italian explorer and naturalist Federico Craveri.
Fossil record
Fossils of ''Retropluma crav ...
†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
†
A dagger, obelisk, or obelus is a typographical mark that usually indicates a footnote if an asterisk has already been used. The symbol is also used to indicate death (of people) or extinction (of species). It is one of the modern descendan ...
Retropluma notopus
''Retropluma'' is a genus of heterotrematan crabs belonging to the family Retroplumidae. The extant species survive in the deep sea of the Indo-Pacific region.
Species
Species within this genus include:
* †'' Retropluma borealis'' Fraaife ...
'' (Alcock & Anderson, 1894)
*''
Retropluma planiforma
''Retropluma'' is a genus of heterotrematan crabs belonging to the family Retroplumidae. The extant species survive in the deep sea of the Indo-Pacific region.
Species
Species within this genus include:
* †'' Retropluma borealis'' Fraaife ...
'' Kensley, 1969
*''
Retropluma plumosa
''Retropluma'' is a genus of heterotrematan crabs belonging to the family Retroplumidae. The extant species survive in the deep sea of the Indo-Pacific region.
Species
Species within this genus include:
* †'' Retropluma borealis'' Fraaife e ...
Retropluma serenei
''Retropluma'' is a genus of heterotrematan crabs belonging to the family Retroplumidae. The extant species survive in the deep sea of the Indo-Pacific region.
Species
Species within this genus include:
* †'' Retropluma borealis'' Fraaife e ...
'' De Saint Laurent, 1989
*''
Retropluma solomonensis
''Retropluma'' is a genus of heterotrematan crabs belonging to the family Retroplumidae. The extant species survive in the deep sea of the Indo-Pacific region.
Species
Species within this genus include:
* †'' Retropluma borealis'' Fraaife ...
'' McLay, 2006
Fossil record
Fossils of ''Retropluma'' are found in marine strata from the
Neogene
The Neogene ( ), informally Upper Tertiary or Late Tertiary, is a geologic period and system that spans 20.45 million years from the end of the Paleogene Period million years ago ( Mya) to the beginning of the present Quaternary Period Mya. ...