Orbitestelloidea are a superfamily 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 ...

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

s or

micromollusc 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 infraclass

Lower Heterobranchia Lower Heterobranchia, also known as the Allogastropoda, is a group of rather specialized, highly evolved sea slugs and sea snails, marine (ocean), marine gastropod mollusc, mollusks within the Subclass (biology), subclass Heterobranchia.WoRMS (20 ...

.MolluscaBase eds. (2021). MolluscaBase. Orbitestelloidea Iredale, 1917. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1054702 on 2021-07-04

Families

Orbitestellidae Orbitestellidae are a family (biology), family of minuscule sea snails, marine (ocean), marine gastropod molluscs or micromolluscs in the infraclassis Lower Heterobranchia. Genera Genera within the family Orbitestellidae include: * ''Absonus'' R ...

Iredale, 1917 * Xylodisculidae Warén, 1992 ;Synonyms: * Microdisculidae Iredale & McMichael, 1962: synonym of Orbitestellidae Iredale, 1917 (unavailable name: no diagnosis)

References

* Bouchet P., Rocroi J.P., Hausdorf B., Kaim A., Kano Y., Nützel A., Parkhaev P., Schrödl M. & Strong E.E. (2017). Revised classification, nomenclator and typification of gastropod and monoplacophoran families. Malacologia. 61(1-2): 1-526 {{Taxonbar, from= Q89580932 Lower Heterobranchia Gastropod superfamilies