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), ...
of
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 ...
Cochlespiridae
Cochlespiridae is a taxonomic family of predatory sea snails, marine gastropod mollusks in the superfamily Conoidea.
This family is not well differentiated morphologically, and there is poor congruence between the molecular and shell characters. ...
.
Description
The size of an adult shell varies between 40 mm and 150 mm. The
radula
The radula (; : radulae or radulas) is an anatomical structure used by mollusks for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food enters ...
South Sandwich Islands
The South Sandwich Islands () are a chain of uninhabited volcanic islands in the South Atlantic Ocean. They are administered as part of the British Overseas Territory of South Georgia and the South Sandwich Islands. The chain lies in the sub-A ...
, the
South Orkneys
The South Orkney Islands are a group of islands in the Southern Ocean, about north-east of the tip of the Antarctic PeninsulaSouth Shetland, the
Antarctic Peninsula
The Antarctic Peninsula, known as O'Higgins Land in Chile and Tierra de San Martin in Argentina, and originally as Graham Land in the United Kingdom and the Palmer Peninsula in the United States, is the northernmost part of mainland Antarctica.
...
and the
Weddell Sea
The Weddell Sea is part of the Southern Ocean and contains the Weddell Gyre. Its land boundaries are defined by the bay formed from the coasts of Coats Land and the Antarctic Peninsula. The easternmost point is Cape Norvegia at Princess Martha C ...
, Antarctica
References
* Strebel, Dr. H., die Gastropoden. In: Wissenschaftliche Ergebnisse der Schwedischen Südpolar-Expedition 1901—1903 unter Leitung von Dr. Otto Nordenskjöld, Band VI, Lfg. 1. — Mit 6 Tafeln.
* Bozzetti, L. (1997). Description of a new genus and a new species (Gastropoda: Turridae, Turriculinae) from the Kerguelen Islands, southern Indian Ocean / Descrizione di un nuovo genere ed una nuova specie (Gastropoda: Turridae, Turriculinae) dalle Isole Kerguelen, Oceano Indiano meridionale. World Shells. 23: 42-44.
* Engl, W. (2012). Shells of Antarctica. Hackenheim: Conchbooks. 402 pp.