''Pseudovermis'' is

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of minute

sea slug Sea slug is a common name for some Marine biology, marine invertebrates with varying levels of resemblance to terrestrial Slug, slugs. Most creatures known as sea slugs are gastropods, i.e. they are Sea snail, sea snails (marine gastropod moll ...

s, specifically aolid

nudibranch Nudibranchs () are a group of soft-bodied marine gastropod molluscs, belonging to the order Nudibranchia, that shed their shells after their larval stage. They are noted for their often extraordinary colours and striking forms, and they have b ...

s, marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

s or

micromollusk A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine molluscs, although in addition, numerous species of land snails and freshwater molluscs also ...

s in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Pseudovermidae Pseudovermidae is a taxonomic family of minute sea slugs, specifically aolid nudibranchs, marine gastropod molluscs or micromollusc A micromollusc is a shelled mollusc which is extremely small, even at full adult size. The word is usuall ...

.Bouchet, P.; Gofas, S. (2011)
''Pseudovermis'' Périaslavzeff, 1891.
Accessed through: World Register of Marine Species on 2012-06-03Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). ''European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification''. Collection Patrimoines Naturels, 50: pp. 180–213 These extremely small sea slugs are

meiofauna Meiobenthos, also called meiofauna, are small benthic invertebrates that live in marine or freshwater environments, or both. The term ''meiofauna'' loosely defines a group of organisms by their sizelarger than microfauna but smaller than macrof ...

; they live among sand grains. ''Pseudovermis'' means fake worm, because these slugs resemble minute worms.

Species

Species within the genus ''Pseudovermis'' include: * '' Pseudovermis artabrensis'' Urgorri, Cobo & Besteiro, 1991 * '' Pseudovermis axi'' Marcus Ev. & Er., 1955 * '' Pseudovermis boadeni'' Salvini-Plawen & Sterrer, 1968 * '' Pseudovermis chinensis'' Hughes, 1991 * '' Pseudovermis hancocki'' Challis, 1969 * '' Pseudovermis indicus'' Salvini-Plawen & G.C. Rao, 1973 * '' Pseudovermis japonicus'' Hamatani & Nunomura, 1973 * '' Pseudovermis kowalewskyi'' Salvini-Plawen & Sterrer, 1968 * '' Pseudovermis mortoni'' Challis, 1969 * '' Pseudovermis papillifer'' Kowalewsky, 1901 * '' Pseudovermis paradoxus'' Perejaslavtseva, 1891 * '' Pseudovermis salamandrops'' Ev. Marcus, 1953 * '' Pseudovermis schultzi'' Marcus Ev. & Er., 1955 * '' Pseudovermis setensis'' Fize, 1961 * '' Pseudovermis soleatus'' Salvini-Plawen & G.C. Rao, 1973 * '' Pseudovermis thompsoni'' Salvini-Plawen, 1991 ;Species brought into synonymy: * ''Pseudovermis papillifera'' Kowalevsky, 1901: synonym of ''Pseudovermis papillifer'' Kowalewsky, 1901

References

Pseudovermidae {{Heterobranchia-stub