''Punctulum'' is a

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 snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

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 ...

Rissoidae Rissoidae is a large family of sea snails. Members of the Rissoidae are very small in size and possess an operculum. Distribution and habitat Rissoidae are found worldwide. They live on sandy or gravel bottoms among algae or marine plants. Th ...

Species

Species within the genus ''Punctulum'' include: * '' Punctulum delicatum'' Golikov & Sirenko, 1998 * '' Punctulum flavum'' (Okutani, 1964) * '' Punctulum minutum'' Golikov & Fedjakov, 1987 * ''

Punctulum porcupinae ''Alvania porcupinae'' is a species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.MolluscaBase eds. (2021). MolluscaBase. Alvania porcupinae Gofas & Warén, 1982. Accessed through: World Register of Mari ...

'' (Gofas & Warén, 1982) * '' Punctulum reticulatum'' Golikov, 1986 * '' Punctulum wyvillethomsoni'' (Friele, 1877) ;Species brought into synonymy: * ''Punctulum ochotense'' Golikov & Sirenko, 1998: synonym of ''Punctulum flavum'' (Okutani, 1964)

References

Rissoidae {{Rissoidae-stub