Liotiidae is a

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 ...

of small

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

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 ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

s in the clade

Vetigastropoda Vetigastropoda is a major Taxonomy (biology), taxonomic group of sea snails, marine (ocean), marine gastropod mollusc, mollusks that form a very ancient lineage (evolution), lineage. Taxonomically the Vetigastropoda are sometimes treated as an O ...

(according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).Gofas, S. (2013). Liotiidae Gray, 1850. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=196896 on 2013-09-07

Description

The head of the animal is proboscidiform. The epipodial line has a pair of conical lobes and three pairs of cirri. The white shell has a turbiniform or discoidal shape. It shows longitudinal ribs or is clathrate. The shell shows a fine lamellar

sculpture Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...

. The circular

aperture In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane. An opt ...

is feebly nacreous. The thick

peristome Peristome (from the Greek ''peri'', meaning 'around' or 'about', and ''stoma'', 'mouth') is an anatomical feature that surrounds an opening to an organ or structure. Some plants, fungi, and shelled gastropods have peristomes. In mosses In mosse ...

is continuous and shows a callous varix. The multispiral operculum is hispid, corneous and has a soft, calcareous outer layer (intritacalx) formed of pearly beads that are disposed spirally.

Taxonomy

2005 taxonomy

The family Liotiidae belongs to the superfamily

Turbinoidea Turbinoidea was a superfamily of small to large sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). But it has become an available name, because it is no lon ...

, according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family consists of the three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005): * Liotiinae Gray, 1850 - synonym: Cyclostrematidae P. Fischer, 1885; McLean (1987) ranked it as subfamily of

Turbinidae Turbinidae, the turban snails, are a family of small to large marine gastropod molluscs in the superfamily Trochoidea.Bouchet, P. (2014). Turbinidae Rafinesque, 1815. Accessed through: World Register of Marine Species at http://www.marinespecies ...

. * † Brochidiinae Yochelson, 1956 * † Dichostasiinae Yochelson, 1956

2008 taxonomy

Liotiidae was moved to the redefined superfamily Trochoidea according to Williams et al. (2008).Williams S. T., Karube S. & Ozawa T. (September 2008) "Molecular systematics of Vetigastropoda: Trochidae, Turbinidae and Trochoidea redefined". ''

Zoologica Scripta ''Zoologica Scripta'' is a bimonthly peer-reviewed scientific journal on systematic zoology, published by Wiley-Blackwell on behalf of the Norwegian Academy of Science and Letters and the Royal Swedish Academy of Sciences. It was established in 197 ...

'' 37(5): 483-506.

Genera

Genera in this family include: subfamily Liotiinae * '' Austroliotia'' Cotton, 1948 * '' Bathyliotina'' Habe, 1961 * '' Circumstella'' Laseron, 1958 * '' Cithna'' A. Adams, 1863 * ''

Cyclostrema ''Cyclostrema'' is a genus of sea snails, marine gastropod mollusks in the family Liotiidae. ''Cyclostrema'' is a neuter word, but many authors have considered it feminine, including Captain Marryat himself. A complete revision of the famil ...

'' Marryat, 1818 * '' Dentarene'' Iredale, 1929 * ''

Discreliotia ''Pseudoliotia'' is a genus of sea snails, marine gastropod mollusks in the family Tornidae within the superfamily Truncatelloidea Truncatelloidea is a superfamily of snails, gastropod mollusks in the clade Caenogastropoda.Bouchet, P. (2013). ...

'' Laseron, 1958 * † '' Klebyella'' Gründel, 1998 * '' Liotia'' Gray, 1842 - type genus * '' Liotina'' Munier-Chalmas, 1885 * '' Macrarene'' Hertlein & Strong, 1951 * '' Munditia'' Finlay, 1926WoRMS (2010). ''Munditia'' Finlay, 1926. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=196958 on 2011-01-21 * '' Pseudoliotina'' Cossmann, 1925 * '' Pterarene'' Sakurai & Habe, 1977 subfamily † Brochidiinae * † '' Brochidium Koken, 1889 - type genus of the subfamily Brochidiinae subfamily † Dichostasiinae * † '' Dichostasia'' Yochelson, 1956 - type genus of the subfamily Dichostasiinae ;Genera brought into synonymy: * ''Conicella'' Laseron, 1954: synonym of '' Wanganella'' Laseron, 1954 * ''Liochrysta'' Laseron, 1958: synonym of '' Pseudoliotia'' Tate, 1898

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

External links

{{Taxonbar, from=Q763379 Taxa named by John Edward Gray