''Typhlodaphne strebeli'' is a

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, a marine gastropod

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 group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Borsoniidae Borsoniidae is a monophyletic family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet, P. (2011). Borsoniidae. Accessed through: World Register of Marine Species at http://www.marinespecies.o ...

Description

The size of an adult shell varies between 15 mm and 30 mm. The elongate, ovate-fusiform shell has a buff color. It differs from ''

Typhlodaphne purissima ''Typhlodaphne purissima'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description The shell grows to a length of 27 mm. Distribution This marine species occurs off Argentina, Tierra del Fuego and S ...

'' (Strebel, 1908) by being slender, having a smaller protoconch (1½ whorls) and showing flexuous, closely spaced, subobsolete axials (numbering 18 to 24) over the 5 whorls of the

teleoconch The gastropod shell is part of the body of a gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some ...

. The shoulder is slightly concave. The narrowly ovate aperture has a rounded anterior end. Across the shell run numerous microscopic lirae.A.W. Powell, Antarctic and Subantarctic Mollusca. Pelecypoda and Gastropoda; Discovery reports. v.26 (1954)
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Distribution

This marine species occurs along the

Tierra del Fuego Tierra del Fuego (, ; Spanish for "Land of the Fire", rarely also Fireland in English) is an archipelago off the southernmost tip of the South American mainland, across the Strait of Magellan. The archipelago consists of the main island, Isla ...

References

* Powell, A.W.B., 1951. Discovery Reports. Antarctic and Subantarctic Mollusca. * * Powell, A. W. B. "Mollusca of Antarctic and Subantarctic seas." Biogeography and ecology in Antarctica. Springer Netherlands, 1965. 333–380. * Powell, A.W.B.. "In evaluating the molluscan faunas of Antarctic and Subantarctic seas many factors both past and present require to be considered." Biogeography and Ecology in Antarctica 15 (2013): 333.

External links

Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) A new operational classification of the Conoidea. Journal of Molluscan Studies 77: 273-308
* * Linse, Katrin. "Mollusca of the Magellan region. A checklist of the species and their distribution." Scientia Marina 63.S1 (1999): 399-407 {{DEFAULTSORT:Typhlodaphne Strebeli strebeli Gastropods described in 1951