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Krylova, Elena M; Sahling, Heiko; Janssen, Ronald (2010): A new genus Abyssogena from deep-water vents and seeps. PANGAEA, https://doi.org/10.1594/PANGAEA.774629, Supplement to: Krylova, EM et al. (2010): Abyssogena: a new genus of the family Vesicomyidae (Bivalvia) from deep-water vents and seeps. Journal of Molluscan Studies, 76(2), 107-132, https://doi.org/10.1093/mollus/eyp052

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Abstract:
A new genus Abyssogena is established for A. phaseoliformis (Métivier, Okutani & Ohta, 1986) and A. kaikoi (Okutani & Métivier, 1986), which were previously assigned to the genus Calyptogena Dall, 1891, and also for two new species, A. southwardae and A. novacula. The most characteristic features of Abyssogena are an elongate shell up to about 280 mm in length; a pallial line starting from the ventral margin of the anterior adductor scar; secondary pallial attachment scars developed dorsal to the pallial line; radially arranged hinge teeth with a reduced anterior cardinal tooth in the right valve; and presence of an inner ctenidial demibranch only. Abyssogena occurs in deep water from 2,985 to 6,400 m and is distributed in the Pacific and Atlantic Oceans at cold seeps along continental margins and hydrothermal vents at mid-oceanic ridges. Some species have a remarkably wide geographic distribution; A. southwardae is present throughout the Atlantic and A. phaseoliformis is present in Japan, Kuril-Kamchatka, as well as Aleutian Trenches. No fossils of Abyssogena are known.
Coverage:
Median Latitude: 24.602398 * Median Longitude: -133.958517 * South-bound Latitude: -10.036700 * West-bound Longitude: 137.533300 * North-bound Latitude: 57.456500 * East-bound Longitude: -17.750000
Date/Time Start: 1978-06-26T00:00:00 * Date/Time End: 2005-08-14T00:00:00
Event(s):
Advance_II_11 (11) * Latitude: 37.720300 * Longitude: -70.487300 * Date/Time: 1978-06-26T00:00:00 * Elevation: -3710.0 m * Location: offshore Virginia
AMK41-3869-1 * Latitude: 14.752550 * Longitude: -44.979270 * Location: Logachev Hydrothermal Field, diffusive field * Campaign: AMK41 * Basis: Akademik Mstislav Keldysh * Method/Device: MIR deep-sea manned submersible (MIR)
AT_3133 * Latitude: 14.753100 * Longitude: -44.980500 * Location: Anyas Garden, Logatchev area * Method/Device: Submersible Alvin (ALVIN) * Comment: RV Atlantis
Size:
4 datasets

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