Tonicia atrata (Sowerby II, 1840)

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 : 55

Tonicia atrata (Sowerby II, 1840) Fig. 3G

Material examined.

7 spm (17 × 8 - 50 × 26 mm).

Synonymy.

See Kaas et al. (2006).

Remarks.

Sirenko (2006) mentioned that the coloring of the valves of this species is variable. It is known that this species houses the protozoa parasite Chitonicum simplex Plate 1898 ( Schwabe et. al 2006).

Distribution.

WTSP: between Punta Pingueral and Cape Tirúa ( Aldea and Valdovinos 2005) and Valdivia ( Zagal and Hermosilla 2001). Magellanic: Comau Fjord ( Schwabe et al. 2006), Punta Pulga ( Dell 1971), Gulf of Ancud ( Leloup 1956), Chonos Archipelago ( Leloup 1956), Estero Elefantes ( Reid and Osorio 2000), and Puerto Edén ( Dell 1971); Strait of Magellan ( Sirenko 2006): eastern micro-basin of the Strait of Magellan ( Ríos et al. 2003), Laredo Bay ( Mutschke et al. 1998), Punta Arenas ( Thiele 1908), Río de los Ciervos ( Leloup 1956), Porvenir ( Thiele 1908), Punta Santa María (this study), Punta Santa Ana ( Ríos et al. 2007), and Carlos III Island ( Aldea et al. 2011a); Smyth Channel ( Thiele 1908), London Island ( Pelseneer 1903), Beagle Channel ( Pelseneer 1903), Ushuaia ( Thiele 1908), Puerto Williams ( Dell 1971), Róbalo Bay ( Dell 1971, Ojeda et al. 2010), Bertrand Island ( Dell 1971), and Seno Grandi ( Dell 1971); Malvinas/Falkland Islands ( Sowerby 1840, Tryon and Pilsbry 1892, Melvill and Standen 1914, Sirenko 2006).