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Abstract
Two new copepods are described from a depth of 2254m at a hydrothermal site on the Juan de Fuca Ridge, northeastern Pacific. In Barathricola rimensis, gen. nov., sp. nov. (Cyclopoida: Cyclopinidae), the antennule is 13-segmented, the antenna lacks an exopod, the second segment of the endopod of legs 1–4 has 1, 2, 2, 2 setae, and leg 5 is three-segmented in both sexes, the last segment (exopod) having I, I, l, I in the female and I, I, l, I, l in the male. In Misophriopsis longicauda, gen. nov., sp. nov. (Misophrioida: Misophriidae), the antennule is 18-segmented in the female, 13-segmented in the male, the antenna has a six-segmented exopod, legs 1–4 are biramous with three-segmented rami, leg 5 is biramous with a one-segmented endopod and an exopod which is two-segmented in the female, three-segmented in the male.
