''Polycheira'' is a genus of

holothuria ''Holothuria'' is the type genus of the marine animal family Holothuriidae, part of the class Holothuroidea, commonly known as sea cucumbers. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft bodie ...

ns (sea cucumbers) found in tropical Indo-Pacific. A curious pattern of reproduction has been found in ''

Polycheira rufescens ''Polycheira'' is a genus of holothurians (sea cucumbers) found in tropical Indo-Pacific. A curious pattern of reproduction has been found in '' Polycheira rufescens'' where specimens change their sex from male to female and from female to male ...

'' where specimens change their sex from male to female and from female to male in a reproductive season

Systematics

''Polycheira'' appear to be closely related to the genus '' Chiridota'' (both belong to the subfamily Chiridotinae). The

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specime ...

of the genus is ''Polycheira rufescens'' (Brandt, 1835). The following species are recognised in the genus ''Polycheira'':MarineSpecies.org - Polycheira
/ref> *'' Polycheira echinata'' Heding, 1928 *''

'' (Brandt, 1835)

References

Holothuroidea genera Chiridotidae {{Holothuroidea-stub