Venus (Journal of the Malacological Society of Japan)
Online ISSN : 2189-7697
Print ISSN : 1348-2955
ISSN-L : 1348-2955
Original Articles
Morphological Review of Pisidium kawamurai hukuiense Mori, 1938 and Pisidium japonicum Pilsbry and Hirase, 1908 (Bivalvia: Sphaeriidae)
Hiroshi Ieyama
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2008 Volume 66 Issue 3-4 Pages 161-167


The shell morphology and anatomy of Pisidium kawamurai hukuiense Mori, 1938 and P. japonicum Pilsbry and Hirase,1908 were studied. The diagnostic characters of P. k. hukuiense are the roundly ovate outline, distinct and regular striae, evenly arranged mantle muscle bundle scars separated from the pallial line and the nephridium with an elongated dorsal lobe. P. japonicum is characterized by its subglobose shell, the pseudocallus at the anterior end of P III and the small outer demibranch.

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© 2008 The Malacological Society of Japan
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