Conradiidae is a

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

family (created in 1987 by Golikov & Starobogatov) of very small

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. These genera were previously included in the

polyphyletic A polyphyletic group is an assemblage that includes organisms with mixed evolutionary origin but does not include their most recent common ancestor. The term is often applied to groups that share similar features known as Homoplasy, homoplasies ...

family

Skeneidae The Skeneidae are a speciose family of minute to small marine gastropod molluscs in the superfamily Trochoidea.Bouchet, P.; Gofas, S. (2013). Skeneidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.ph ...

. They belong within the clade

Vetigastropoda Vetigastropoda is a major taxonomic group of sea snails, marine gastropod mollusks that form a very ancient lineage. Taxonomically the Vetigastropoda are sometimes treated as an order, although they are treated as an unranked clade in Bouch ...

, and the superfamily Trochoidea.

Genera

* '' Conjectura'' Finlay, 1926 * '' Conradia'' A. Adams, 1860 * '' Crossea'' A. Adams, 1865 * '' Crosseola'' Iredale, 1924 * '' Crossolida'' Rubio & Rolán, 2019

References

* Golikov, A. N.; Starobogatov, Ya. I. (1987). Sistema otriada Cerithiiformes i ego polozhenie v podklasse Pectinibranchia ystematics of the order Cerithiiformes and its position within the subclass Pectinibranchia Vsesoiuznoe soveshchanie po izucheniiu molliuskov eningrad 8: 23−28. * Hickman, C. S. (2013). Crosseolidae, a new family of skeneiform microgastropods and progress toward definition of monophyletic Skeneidae. American Malacological Bulletin. 31(1): 1-16 * 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

External links

Hickman C.S. (2013) Crosseolidae, a new family of skeneiform microgastropods and progress toward definition of monophyletic Skeneidae. American Malacological Bulletin 31(1): 1-16 (abstract)
{{Taxonbar, from=Q16290677 Trochoidea (superfamily)