''Retropluma'' is a genus of

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 ...

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. The extant species survive in the

deep sea The deep sea is broadly defined as the ocean depth where light begins to fade, at an approximate depth of 200 metres (656 feet) or the point of transition from continental shelves to continental slopes. Conditions within the deep sea are a combin ...

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 ...

region.

Species

Species within this genus include:WoRMS
/ref>Paleobiology Database
/ref> * †'' Retropluma borealis'' Fraaife et al. 2005 * †''

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 ...

'' Crema 1895 *'' Retropluma denticulata'' Rathbun, 1932 * †'' Retropluma eocenica'' Via Boada 1959 * †'' Retropluma gallica'' Artal et al. 2006 * †'' Retropluma laurentae'' Collins et al. 2003 *'' Retropluma notopus'' (Alcock & Anderson, 1894) *'' Retropluma planiforma'' Kensley, 1969 *'' Retropluma plumosa'' Tesch, 1918 *'' Retropluma quadrata'' De Saint Laurent, 1989 *'' Retropluma serenei'' 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. ...

to the

Pliocene The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58Crabs Extant Miocene first appearances Messinian genera Zanclean genera Piacenzian genera Gelasian genera Calabrian genera Ionian genera Tarantian genera Holocene genera