An Illustrated and Cross-Referenced Glossary of Malacological and Conchological Terms |
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by Paul S. Mikkelsen |
Term | Definition |
HADAL or HADALPELAGIC | The PELAGIC depth zone greater than 6,000 meters. See also: PELAGIC; EPIPELAGIC (0-200m depth); MESOPELAGIC (200-1000m depth); BATHYPELAGIC (1000-4000m depth; ABYSSOPELAGIC (4000-6000m depth; HADAL (greater than 6,000m depth); NERITIC; BENTHIC; PLANKTONIC. | |
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