''Teretia cincta'' is an extinct

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

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 ...

, a 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 ...

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

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Raphitomidae Raphitomidae is a Family (biology), family of small to medium-sized sea snails, marine (ocean), marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families" ...

.MolluscaBase eds. (2020). MolluscaBase. Teretia cincta (Seguenza, 1880) †. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=832501 on 2020-02-25

Description

The length of the shell attains 10.6 mm, its diameter 5 mm. (Original description in Italian) This species is very similar to '' Teretia anceps'', but it must be distinguished by a less delicate shape, because the

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). In nature File:Photograph and axial plane floral diagra ...

s are shorter and therefore relatively wider. The cinguli are thinner and more protruding. The interstices are much wider. Seguenza, G. (1880) ''Le formazioni terziarie nella provincia di Reggio (Calabria)''. Memorie della Classe di Scienze Fisiche Matematiche e Naturali della Regia Accademia del Lincei, serie 3 (6), 1–445
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Distribution

Fossils of this marine species were found in

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Calabria Calabria is a Regions of Italy, region in Southern Italy. It is a peninsula bordered by the region Basilicata to the north, the Ionian Sea to the east, the Strait of Messina to the southwest, which separates it from Sicily, and the Tyrrhenian S ...

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

References

* Brunetti, M.; Vecchi, G. (2003). Sul ritrovamento di Teretia elengatissima (Foresti, 1868) in terreni pliocenici dell'Emilia e della Toscana. Bollettino della Società Paleontologica Italiana. 42: 49-57

External links

Morassi M. & Bonfitto A. (2015). ''New Indo-Pacific species of the genus Teretia Norman, 1888 (Gastropoda: Raphitomidae).'' Zootaxa. 3911(4): 560-570
* {{DEFAULTSORT:Teretia Cincta

cincta Cincta is an extinct class of echinoderms that lived only in the Middle Cambrian epoch. Homostelea is a junior synonym. The classification of cinctans is controversial, but they are probably part of the echinoderm stem group. Cinctans were sessi ...

Gastropods described in 1880