''Typhlodaphne'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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 ...

s, 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 ...

s 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 ...

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.org/ ...

Description

The smooth

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called " ...

is bluntly rounded and paucispiral, consisting of two

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. The sinus is subsutural, steeply descending and then produced forward to meet the arcuately produced outer

lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...

. The vestigial operculum may reflect an archaic condition.

Species

Species within the genus ''Typhlodaphne'' include: * ''

Typhlodaphne corpulenta ''Typhlodaphne corpulenta'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description ''Typhlodaphne corpulenta'' differs from '' Typhlodaphne innocentia'' Dell, 1990 by having a thicker shell. Distribution ...

'' (Watson, 1881) * ''

Typhlodaphne filostriata ''Typhlodaphne filostriata'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Distribution This marine species occurs in the Strait of Magellan off Cape Horn Cape Horn (, ) is the southernmost headland of the ...

'' (Strebel, 1905) * ''

Typhlodaphne paratenoceras ''Typhlodaphne'' is a genus of sea snails, marine gastropod mollusks in the family (biology), family Borsoniidae. Description The smooth protoconch is bluntly rounded and paucispiral, consisting of two Whorl (mollusc), whorls. The sinus is subsu ...

'' (Powell, 1951) * ''

Typhlodaphne payeni ''Typhlodaphne payeni'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description The shell grows to a length of 10 mm. Distribution This marine species occurs off Tierra del Fuego Tierra del Fuego ...

'' (Rochebrune & Mabille, 1885) * ''

Typhlodaphne platamodes ''Typhlodaphne platamodes'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description Distribution This species occurs in the Southern Indian Ocean off the Kerguelen Islands and Crozet Island The Crozet ...

'' (Watson, 1881) * ''

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 Sou ...

'' (Strebel, 1908) * ''

Typhlodaphne strebeli ''Typhlodaphne strebeli'' is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae. Description The size of an adult shell varies between 15 mm and 30 mm. The elongate, ovate-fusiform shell has a buff color. It ...

'' Powell, 1951 ;Species brought into synonymy: * ''Typhlodaphne innocentia'' Dell, 1990: synonym of ''

Pleurotomella innocentia ''Pleurotomella innocentia'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.MolluscaBase (2018). Pleurotomella innocentia (Dell, 1990). Accessed through: World Register of Marine Species at: http://www.marinespe ...

'' (Dell, 1990) (original combination) * ''Typhlodaphne nipri'' Numanami, 1996: synonym of ''

Pleurotomella nipri ''Pleurotomella nipri'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae. Description Distribution This marine species occurs off East Antarctica East Antarctica, also called Greater Antarctica, constitut ...

'' (Numanami, 1996) (original combination) * ''Typhlodaphne translucida'' (Watson, 1881): synonym of ''

Xanthodaphne translucida ''Xanthodaphne translucida'' is a species of sea snail, a marine gastropod mollusk in the family Raphitomidae.MolluscaBase (2018). Xanthodaphne translucida (Watson, 1881). Accessed through: World Register of Marine Species at: http://www.marines ...

'' (Watson, 1881)

References

External links

Powell A. W. B. (1951). ''Antarctic and Subantarctic Mollusca: Pelecypoda and Gastropoda''. Discovery Reports, 26: 47-196, pl. 5-10

Bouchet P., Kantor Yu.I., Sysoev A. & Puillandre N. (2011) A new operational classification of the Conoidea. Journal of Molluscan Studies 77: 273-308
*
Kantor Y.I., Harasewych M.G. & Puillandre N. (2016). A critical review of Antarctic Conoidea (Neogastropoda). Molluscan Research. 36(3): 153-206
Gastropod genera {{Borsoniidae-stub