Astarte longirostra ( d'Orbigny , 1842)

Rosenfeld, Sebastian, Aldea, Cristian, Mansilla, Andres, Marambio, Johanna & Ojeda, Jaime, 2015, Richness, systematics, and distribution of molluscs associated with the macroalga Gigartina skottsbergii in the Strait of Magellan, Chile: A biogeographic affinity study, ZooKeys 519, pp. 49-100 : 73

Astarte longirostra ( d'Orbigny, 1842) Fig. 7C

Material examined.

4 spm (4.5 × 4 - 5 × 5 mm).

Synonymy.

See Dell (1964).

Remarks.

Dell (1990) explained that this is the only species from the genus in the Magellan Region, given that the species Astarte magallenica (Smith, 1881) constitutes a morphological variation of Astarte longirostra ( Dell 1964).

Distribution.

Magellanic: Strait of Magellan ( Smith 1881, USNM 2010): eastern micro-basin of the Strait of Magellan ( Ríos et al. 2003), Tierra del Fuego ( Dell 1964), Punta Santa María (this record), and Carlos III Island ( Aldea et al. 2011a); Hoste Island ( USNM 2010), Beagle Channel ( Rochebrune and Mabille 1889), and Cape Horn ( USNM 2010); from 45°S toward south in the South Atlantic Ocean ( Bigatti 2010), Malvinas/Falkland Islands ( Dell 1964, Hain 1990), Le Maire Strait ( USNM 2010), and Staten Island ( USNM 2010). SO: Marion Island ( Hain 1990), Prince Edward Island ( Smith 1881), Kerguelen Islands ( Powell 1960, Hain 1990), South Georgia Island ( Powell 1960, Hain 1990, USNM 2010), South Shetland Islands ( Hain 1990, USNM 2010), Ross Sea ( USNM 2010), and Weddell Sea ( Gutt et al. 2000).