''Nephtys'' 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 ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

catworm Nephtyidae is a family of polychaete worms. They are commonly referred to as catworms. Characteristics Nephtyidae are pale, clearly segmented polychaetes with a small pentagonal prostomium with two pairs of small antennae. Their segments are lit ...

s. Some species are

halotolerant Halotolerance is the adaptation of living organisms to conditions of high salinity. Halotolerant species tend to live in areas such as hypersaline lakes, coastal dunes, saline deserts, salt marshes, and inland salt seas and springs. Halophiles are ...

to a degree in that they can survive in estuaries and estuarine lagoons down to a

salinity Salinity () is the saltiness or amount of salt dissolved in a body of water, called saline water (see also soil salinity). It is usually measured in g/L or g/kg (grams of salt per liter/kilogram of water; the latter is dimensionless and equal ...

of 20 psu ( Practical Salinity Units). Nephtys longosetosa parapod scaled

Species

* ''Nephtys caeca'' ( Fabricius, 1780) * ''Nephtys ciliata'' (Müller, 1788) -

typetaxon In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes th ...

* ''Nephtys hombergii'' ( Savigny in Lamarck, 1818) * ''Nephtys longosetosa'' (Örsted, 1842)

References

* ERMS: The European Register of Marine Specie

* MarLIN: The Marine Life Information Network for Britain and Irelandbr>
Polychaete genera Phyllodocida {{annelid-stub