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1 November 2014 Two New Species of the Genus Silicula (Bivalvia: Siliculidae) from the Northwestern Pacific, with Notes on Silicula sandersi (Bernard, 1989) and Propeleda soyomaruae (Okutani, 1962)
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Abstract

Two new species, Silicula beringiana and S. okutanii, are described from the northwestern Pacific. These species have an elongate shell with extended and tapered posterior end, differing from each other in form and proportions. Silicula beringiana was found in the Bering Sea, Kamtchatky Strait, and near the southeastern coast of Kamchatka (Pacific Ocean) at 489–4,984 m depth. Silicula okutanii was found in the Pacific Ocean at a latitude of the northern part of Japan at 5,219–5,352 m depth. Silicula sandersi (Bernard, 1989) and Propeleda soyomaruae (Okutani, 1962) were re-examined. Based on comparison with the description, pictures and photos of the type species of Silicula Jeffreys, 1879, Lamellileda Cotton, 1930, Poroleda Hutton, 1893, and Propeleda Iredale, 1924, the following combinations are suggested: Lamellileda sandersi Bernard, 1989, and L. soyomaruae (Okutani, 1962).

Gennady M. Kamenev "Two New Species of the Genus Silicula (Bivalvia: Siliculidae) from the Northwestern Pacific, with Notes on Silicula sandersi (Bernard, 1989) and Propeleda soyomaruae (Okutani, 1962)," Malacologia 57(2), 255-277, (1 November 2014). https://doi.org/10.4002/040.057.0201
Received: 14 January 2014; Accepted: 1 January 2014; Published: 1 November 2014
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