genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...
of
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 holothu ...
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
''Polyplectana'' ...
''.
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 speciali ...
lists the following
species
In biology, a species is the basic unit of Taxonomy (biology), 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 ...
:
*''
Polyplectana galatheae
''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
*''P ...
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
''Polyplectana'' ...
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
*'' P ...
Polyplectana zamboangae
''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
*'' P ...