''Teretia anceps'' is an extinct
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
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 ...
, a 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 ...
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 ...
Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". ''Malacologia'' 47(1-2). . 39 ...
.
Description
The length of the shell reaches 11.5 mm, its diameter 4 mm.
Distribution
Fossils of this marine species were found in Upper
Pliocene
The Pliocene ( ; also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58[Alpes-Maritimes
Alpes-Maritimes (; oc, Aups Maritims; it, Alpi Marittime, "Maritime Alps") is a department of France located in the country's southeast corner, on the Italian border and Mediterranean coast. Part of the Provence-Alpes-Côte d'Azur region, it ...](_blank)
, France and in
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...
; also in
Middle Miocene
The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene.
The sub-epoch lasted from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma (million y ...
strata in
Poland
Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populous ...
.
References
* Cossmann (M.), 1896 - Essais de Paléoconchologie comparée (2ème livraison), p. 1-179
* 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
Eichwald, E. (1830). Naturhistorische Skizze von Lithauen, Volhynien und Podolien in geognostisch-mineralogischer, botanischer und zoologischer Hinsicht. Wilna [Vilnius Zawadzki. 256 p., 3 pl]
Bellardi L. (1877), I molluschi dei terreni terziarii del Piemonte e della Liguria /h1>
External links
*
anceps
In languages with quantitative poetic metres, such as Ancient Greek, Latin, Arabic, Sanskrit, and classical Persian, an anceps (plural ''ancipitia'' or ''(syllabae) ancipites'') is a position in a metrical pattern which can be filled by either a lo ...
Gastropods described in 1830
{{Raphitomidae-stub