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• Species Names of marine heterotardigrades (update: Dec 26, 1998)
• Species-group epithets of marine heterotardigrades ordered by epithet, author, or date. (update: Dec 26, 1998)
• Incomplete list of literatures that include original descriptions of marine heterotardigrades
• Photograph of Parastygarctus higginsi Renaud-Debyser, 1965, adult male, collected from Ishigaki-jima Island, the Ryukyu Islands.
• Focal movie of terrestrial species Milnesium tardigradum -- QuickTime is required on your system.

Field equipment for collecting marine tardigrades about 10 liters of freshwater, four plastic buckets, several glass tubes with screw cap, a small plastic cup, a plastic funnel, buffered formalin, a pen, a thermometer, a measure, a salinometer, three meiobenthic net (Higgins' style), a small shovel, and a camera (not in the picture, because ...)