Abstract
The amphipod fauna from hydrothermal vent habitats on the Juan de Fuca Ridge and from experimental wood deployments are examined. The material revealed, among others, a number of lysianassid species belonging to the genera, Paronesimoides Pirlot, 1933 and Schisturella Norman, 1900, and a species of the family Sebidae, belonging to the genus Seba Bate, 1862. The new species: Paronesimoides voightae, Schisturella hansgeorgi, and Seba bathybia are described. A key to Paronesimoides and Schisturella are given
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