Venus (Journal of the Malacological Society of Japan)
Online ISSN : 2189-7697
Print ISSN : 1348-2955
ISSN-L : 1348-2955
Original Articles
Two New Species of Bathymodiolus (Bivalvia: Mytilidae) from Methane Seeps on the Kuroshima Knoll off the Yaeyama Islands, Southwestern Japan
Takashi OkutaniKatsunori FujikuraTakenori Sasaki
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JOURNAL OPEN ACCESS

2004 Volume 62 Issue 3-4 Pages 97-110

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Abstract

Two new species of Bathymodiolus, B. hirtus n. sp. and B. securiformis n. sp., are described. They inhabit bathyal chemosynthetic environments around methane seeps on the Kuroshima Knoll, off the Yaeyama Islands, southwestern Japan. B. hirtus n. sp. is characterized by having anteriorly situated umbones and a distinctly hirsute shell surface. B. securiformis n. sp. has an elongate shell with a short and low anterior part, a high and expanded posterior part, and a deep ventral concavity. Some anatomical characters also separate these new species from hitherto known species.

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© 2004 The Malacological Society of Japan
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