Fissurella oriens Sowerby I, 1834

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 : 59-60

Fissurella oriens Sowerby I, 1834 Fig. 4I

Material examined.

62 spm (12 × 8 × 4 - 43 × 32 × 16 mm).

Synonymy.

See McLean (1984).

Remarks.

According to McLean (1984), the most similar species is Fissurella radiosa , which is similar in size and presents similar colors and variations. The same author comments that the only distinguishing characteristic between the shells is the presence of primary ribs that are longer than the adjacent ribs present in Fissurella radiosa . These primary ribs are absent in the species Fissurella oriens .

Distribution.

WTSP: Mehuín ( McLean 1984). Magellanic: Chiloé Archipelago ( Dall 1909), Calbuco ( Ramirez 1996), Queullín Island ( Ramirez 1996), Punta Chulao ( Ramirez 1996), Estero Elefantes ( Reid and Osorio 2000), Puerto Edén and Wellington Island ( Dell 1971), Carlos Island ( Dell 1971), Levinzon Island ( Dell 1971), Piazzi Island ( Dell 1971), Melchior Island ( Ramirez 1996), and Smyth Channel ( Strebel 1907); Strait of Magellan ( Húpe 1854, Tryon and Pilsbry 1890, Ramírez 1996): Laredo Bay ( Mutschke et al. 1998), Punta Arenas, ( Rochebrune and Mabille 1889, Strebel 1907), Punta Santa Ana ( Ríos et al. 2007; this record), Porvenir ( Strebel 1907), Punta Santa María (this record), Inútil Bay ( Strebel 1907), Carlos III Island ( Aldea et al. 2011a), Puerto Churruca ( Strebel 1907), Puerto Angosto ( Strebel 1907), and Borja Bay ( Strebel 1907); Ushuaia ( Strebel 1907), Puerto Williams ( Dell 1971), Hermite Islands ( Dell 1971), Seno Grandi ( Dell 1971), Basket Island ( Strebel 1907), Picton Island ( Strebel 1907), Orange Bay ( Rochebrune and Mabille 1889), and Cape Horn ( Rochebrune and Mabille 1889); Santa Cruz ( Osorio 1999), Malvinas/Falkland Islands ( Melvill and Standen 1907, Powell 1951) in Port Stanley ( Strebel 1907, Strebel 1908), Lively Island ( Strebel 1907), and Port Albemarle ( Strebel 1908).