''Soestia'' is a

monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

tunicate Tunicates are marine invertebrates belonging to the subphylum Tunicata ( ). This grouping is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time ...

s belonging to the family

Salpidae A salp (: salps, also known colloquially as “sea grape”) or salpa (: salpae or salpas) is a barrel-shaped, planktonic tunicate in the family Salpidae. The salp moves by contracting its gelatinous body in order to pump water through it; it ...

. The genus was described by

Patricia Kott Patricia Mather (née Kott) (12 December 1925 – 4 January 2012) was an Australian zoologist and taxonomist known for her research into sea squirts. She became a leader in Australian marine science and achieved international status through her ...

in 1998. The only species is ''Soestia zonaria,'' which was first described in 1774 by

Peter Simon Pallas Peter Simon Pallas Fellow of the Royal Society, FRS FRSE (22 September 1741 – 8 September 1811) was a Prussia, Prussian zoologist, botanist, Ethnography, ethnographer, Exploration, explorer, Geography, geographer, Geology, geologist, Natura ...

as ''Holothurium zonarium''. The species has

cosmopolitan distribution In biogeography, a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats; most cosmopolitan species are known to be highly adaptable to a range of climatic and en ...

References

Salpidae Monotypic tunicate genera Taxa described in 1774 Taxa named by Patricia Kott Taxa named by Peter Simon Pallas {{Tunicata-stub