''Polyplectana'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

sea cucumber Sea cucumbers are echinoderms from the class Holothuroidea (). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. Sea cucumbers are found on the sea floor worldwide. The number of holothuria ...

s in the family

Synaptidae Synaptidae is a family of sea cucumbers that have no tube feet, tentacle ampullae, retractor muscles, respiratory trees, or cuvierian tubules. They also lack radial canals of the water-vascular system, with only the circumoral ring present. S ...

. The type species is ''

Polyplectana kefersteinii ''Polyplectana'' is a genus of sea cucumbers in the family Synaptidae. The type species is ''Polyplectana kefersteinii''. Species The World Register of Marine Species lists the following species : *'' Polyplectana galatheae'' Heding, 1928 *'' ...

''.

Species

The

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...

lists the following

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

: *'' Polyplectana galatheae'' Heding, 1928 *'' Polyplectana grisea'' Heding, 1931 *'' Polyplectana kallipeplos'' (Sluiter, 1887) *''

'' (Selenka, 1867) *'' Polyplectana longogranula'' Heding, 1928 *''

Polyplectana nigra ''Polyplectana'' is a genus of sea cucumbers in the family Synaptidae. The type species is ''Polyplectana kefersteinii''. Species The World Register of Marine Species lists the following species : *'' Polyplectana galatheae'' Heding, 1928 *'' ...

'' (Semper, 1867) *'' Polyplectana oculata'' Heding, 1928 *'' Polyplectana samoae'' Heding, 1928 *'' Polyplectana sluiteri'' Heding, 1928 *'' Polyplectana tahitiensis'' Heding, 1928 *'' Polyplectana unispicula'' Heding, 1931 *'' Polyplectana zamboangae'' Heding, 1928

References

Holothuroidea genera Synaptidae {{Holothuroidea-stub