''Tiberia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of minute

parasitic Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has c ...

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 ...

marine Marine is an adjective meaning of or pertaining to the sea or ocean. Marine or marines may refer to: Ocean * Maritime (disambiguation) * Marine art * Marine biology * Marine debris * Marine habitats * Marine life * Marine pollution Military * ...

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 ...

mollusc 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 esti ...

s in the

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 ...

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 ...

, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini.

Taxonomy

According to

Schander Carl Fredrik Christoffer Schander (21 May 1960 – 21 February 2012) was a professor in marine biology at the University of Bergen, Norway. He was also a thematic leader at the Centre of Excellence in Geobiology. His doctoral thesis (1997, Univ ...

, Van Aartsen & Corgan (1999) the subfamily Tiberiinae contains a single genus, ''Tiberia''. Tiberiinae was one of eleven recognised subfamilies in the family

according to the taxonomy of Ponder &

Lindberg Lindberg is a municipality in the district of Regen in Bavaria in Germany in the immediate neighbourhood of the larger town Zwiesel. Location Lindberg lies in the Danube Forest (''Donau-Wald'') region in the middle of the Bavarian Forest on ...

(1997). However, in the taxonomy of Bouchet & Rocroi (2005), this subfamily was downgraded to the rank of

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

Tiberiini in the subfamily

Syrnolinae Syrnolininae is a subfamily of minute parasitic sea snails, marine heterobranch gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. Taxonomy According to the taxonomy of Ponder & Lindberg (1997), this was one of elev ...

. ''Tiberia'' is the type genus of the tribe Tiberiini.

Description

The very small shells of the species in this genus have many

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

s. They are umbilicate shells that lack both shell sculpture and the apertural tooth or teeth that are characteristic in most other members of the family

. They may, however, have slight biplicate folds on the

columella Lucius Junius Moderatus Columella (; Arabic: , 4 – ) was a prominent writer on agriculture in the Roman Empire. His ' in twelve volumes has been completely preserved and forms an important source on Roman agriculture, together with the wo ...

Species

Species in the genus ''Tiberia'' include: * ''

Tiberia analoga ''Tiberia analoga'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Tiberia analoga'' van Aartsen & Corgan, 1996. Accessed through: World Register of Ma ...

'' van Aartsen & Corgan, 1996 * '' Tiberia apicifusca'' van Aartsen, Gittenberger & Goud, 1998 * ''

Tiberia balteata ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' (A. Adams, 1855) * ''

Tiberia cathaysiae ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' Saurin, 1959 * ''

Tiberia grimaudi ''Tiberia'' is a genus of minute parasite, parasitic sea snails, marine (ocean), marine gastropod molluscs in the family (biology), family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxono ...

'' Saurin, 1959 * ''

Tiberia hyalina ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' (Dunker, 1860) * '' Tiberia minuscula'' (Monterosato, 1880) - synonym: ''Tiberia octaviana'' Di Geronimo, 1973 * '' Tiberia navella'' van Aartsen & Corgan, 1996 * ''

Tiberia ngani ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' Saurin, 1959 * '' Tiberia nitidula'' (A. Adams, 1860) * ''

Tiberia ovata ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' Saurin, 1959 * ''

Tiberia paumotensis ''Tiberia paumotensis'' is a species of minute sea snail, a marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Tiberia paumotensis'' (Tryon, 1886). Accessed through: World Register of Mari ...

'' (Tryon, 1886) * ''

Tiberia pusilla ''Tiberia'' is a genus of minute parasitic sea snails, marine gastropod molluscs in the family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxonomy According to Schander, Van Aartsen & Cor ...

'' (A. Adams, 1854) * ''

Tiberia semicostata ''Tiberia'' is a genus of minute parasite, parasitic sea snails, marine (ocean), marine gastropod molluscs in the family (biology), family Pyramidellidae, the pyrams and their allies. ''Tiberia'' is the only genus in the tribe Tiberiini. Taxono ...

'' Saurin, 1962 * '' Tiberia thaii'' Saurin, 1959 * '' Tiberia trifasciata'' (A. Adams, 1863) ;Species brought into synonymy: * ''Tiberia balteatus'' ic synonym of ''Tiberia balteata'' (A. Adams, 1855) * ''Tiberia dunkeri'' (Dall & Bartsch, 1906): synonym of ''

Orinella dunkeri ''Orinella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Orinella'' Dall & Bartsch, 1904. Accessed through: World Register of Marine Species at http://www ...

'' (Dall & Bartsch, 1906) * ''Tiberia gisela'' (Thiele, J., 1925): synonym of ''

Exesilla gisela ''Exesilla'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Bouchet, P. (2011). ''Exesilla'' Laseron, 1959. Accessed through: World Register of Marine Species at http://www.marinespe ...

'' (Thiele, 1925) * ''Tiberia micalii'' i Penas & Rolan, 1997: synonym of ''

Pyramidella dolabrata ''Pyramidella dolabrata'', common name the "giant Atlantic pyram", is a somewhat variable species of small to medium-sized (max size 36 mm) sea snail, a marine gastropod mollusk in the (mostly minute) family Pyramidellidae, the pyram snails. ...

'' (Linnaeus, 1758) * ''Tiberia minusculoides'' (van Aartsen, Gittenberger & Goud, 1998):Gofas, S. (2010). ''Tiberia minusculoides'' (van Aartsen, Gittenberger & Goud, 1998). 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=141050 on 2011-03-21 synonym of '' Tiberia minuscula'' (Monterosato, 1880) * ''Tiberia nitidula'' Adams, A., 1860: synonym of ''

'' (Linnaeus, 1758) * ''Tiberia octaviana'' Di Geronimo, 1973: synonym of ''Tiberia minuscula'' (Monterosato, 1880) * ''Tiberia pretiosa'' Coen, 1933: synonym of '' Chrysallida interstincta'' (J. Adams, 1797): synonym of Parthenina interstincta (J. Adams, 1797) * ''Tiberia pulchella'' (A. Adams, 1854): synonym of '' Orinella pulchella'' (A. Adams, 1854)

References

* Vaught, K.C. (1989). ''A classification of the living Mollusca''. American Malacologists: Melbourne, FL (USA). . XII, 195 pp. * Rolán E., 2005. ''Malacological Fauna From The Cape Verde Archipelago''. Part 1, Polyplacophora and Gastropoda.

External links

Jeffreys J.G. 1884. ''On the Mollusca procured during the 'Lightning' and 'Porcupine' expeditions, 1868-70. (Part VIII).'' Proceedings of the Zoological Society of London, 1882: 341-372, pl. 26-28

Serge GOFAS, Ángel A. LUQUE, Joan Daniel OLIVER,José TEMPLADO & Alberto SERRA (2021) - The Mollusca of Galicia Bank (NE Atlantic Ocean); European Journal of Taxonomy 785: 1–114
{{Taxonbar, from=Q7800355 Pyramidellidae