Amathinidae, is a taxonomic

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

mostly consisting of small and minute

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

s, marine

heterobranch Heterobranchia, the ''heterobranchs'' (meaning "different-gilled snails"), is a taxonomic clade of snails and slugs, which includes marine, aquatic and terrestrial gastropod mollusks. Heterobranchia is one of the main clades of gastropods. Cur ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

molluscs or

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

s in the superfamily

Pyramidelloidea Pyramidelloidea is a superfamily of mostly very small sea snails, marine gastropod mollusks and micromollusks within the clade Panpulmonata. This is a voluminous taxon: above the species level close to 400 named taxa are referred to this gast ...

Together with

Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromol ...

Ebalidae Murchisonellidae is a taxonomic family of sea snails, marine opisthobranch gastropod mollusks in the superfamily Murchisonelloidea.Bouchet, P. (2015). Murchisonellidae Casey, 1904. Accessed through: World Register of Marine Species at http://ww ...

, Turbonillidae, Odostomidae and other genera they form the superfamily

. Little is known on the biology of the group, but some data on the anatomy and systematic position is given by Ponder (1987) and Huber (1993).

1999 taxonomy

Genera within the family Amathinidae according to the taxonomy of Schander, Van Aartsen & Corgan (1999) include: *Genus ''

Amathina ''Amathina'' is a genus of small sea snails, marine heterobranch gastropod molluscs or micromolluscs in the family Amathinidae.WoRMS (2010). ''Amathina'' Gray, 1842. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database ...

'' J. E. Gray, 1842 *Genus '' Amathinoides'' Sacco, 1896 *Genus '' Carinorbis'' Conrad, 1862 *Genus '' Cyclothyca'' Stearns, 1861 *Genus '' Faluniella'' Cossman, 1921 *Genus ''

Iselica ''Iselica'' is a genus of small sea snails, marine heterobranch gastropod molluscs or micromolluscs in the family Amathinidae.MolluscaBase eds. (2021). MolluscaBase. Iselica Dall, 1918. Accessed through: World Register of Marine Species at: http ...

'' Dall, 1918 *Genus ''

Leucotina ''Leucotina'' is a genus of small sea snails, marine heterobranch gastropod molluscs or micromolluscs in the family Amathinidae Amathinidae, is a taxonomic family mostly consisting of small and minute sea snails, marine heterobranch gastro ...

'' A. Adams, 1860 *Genus '' Phasianema'' Wood, 1842 *Genus '' Plicifer'' H. Adams, 1868

2005 taxonomy

This family has no subfamilies.

Genera

This family presently comprises less than 100 recent and

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

species divided into seven genera: ''

'', '' Amathinoides'', '' Carinorbis'', '' Cyclothyca'', ''

'', ''

'' and '' Phasianema''. Two additional genera, '' Faluniella'' and '' Plicifer'' may also be a part of Amathinidae: * '' Faluniella'' Cossmann, 1921 Genera within the family Amathinidae include: * ''

'' Gray, 1842 * '' Cyclothyca'' Stearns, 1891 * ''

'' Dall, 1918 * ''

'' A. Adams, 1860Gofas, S. (2010). ''Leucotina'' A. Adams, 1860. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=181116 on 2011-01-11 * '' Monotygma'' G. B. Sowerby II, 1839 * '' Plicifer'' H. Adams, 1868 * † '' Raulinia'' Mayer, 1864 ;Genera brought into synonymy: * ''Adelactaeon'' Cossmann, 1895: synonym of ''

'' A. Adams, 1860 * ''Amathinoides'' Sacco, 1896 † accepted as ''Clathrella'' Récluz, 1864 accepted as '' Carinorbis'' Conrad, 1862 * ''Clathrella'' Récluz, 1864 accepted as '' Carinorbis'' Conrad, 1862 * ''Isapis'' H. Adams & A. Adams, 1854 accepted as ''Iselica'' Dall, 1918 (Invalid: junior homonym of ''Isapis'' Doubleday, 1847 epidoptera ''Iselica'' is a replacement name) * ''Myonia'' A. Adams, 1860: synonym of ''

'' A. Adams, 1860

Anatomy

The shells are usually flat without coiling. They usually have strong axial ribs. Ponder described giant neurons in the cerebral ganglion.

References

* Ponder, W. F. (1987). The anatomy and relationships of the pyramidellacean limpet, Amathina tricarinata (Mollusca: Gastropoda). Asian Marine Biology. 4: 1–34

External links

Bouchet, P. & Rocroi, J.-P. (2005). Classification and nomenclator of gastropod families. Malacologia. 47 (1–2): 1-397
{{Taxonbar, from=Q1967715 Taxa named by Winston Ponder