Venus (Journal of the Malacological Society of Japan)
Online ISSN : 2189-7697
Print ISSN : 1348-2955
ISSN-L : 1348-2955
Original Articles
Revision of the Genus Margaritifera (Bivalvia: Margaritiferidae) of Japan, with Description of a New Species
Takaki KondoOsamu Kobayashi
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JOURNAL OPEN ACCESS

2005 Volume 64 Issue 3-4 Pages 135-140

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Abstract

A new margaritiferid species, Margaritifera togakushiensis, is described from the Sakasa River at Togakushi, Nagano Prefecture, Honshu and the Furebetsu River at Furano City, Hokkaido, Japan. The anterior margin of the shell is semicircular and the shape of the adductor muscle scar is acute auriform, versus semi-elliptical and round auriform in M. laevis. The host fish of the glochidia is also different: Salvelinus leucomaenis for M. togakushiensis and Onchorhynchus masou for M. laevis.

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© 2005 The Malacological Society of Japan
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