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Please help me with ID!
Two terminal segments in the antennae distinguish this family. I think I needed to get more detail on the head and tail regions to get further, though.
About 1cm long, swimming on water flowing across the ice.
Porcellionidae is a terrestrial family of the order Isopoda. The species classified here cannot roll into a ball, as opposed to the species of family Armadillidiidae, which can.