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Efremova, S.M. (2001). Chap.1 Porifera In: Timoshkin, O.A. (ed.) Index of animal species inhabiting Lake Baikal and its catchment area, vol. 1, Lake Baikal Book 1, Part 2 Sponges, Cnidaria and Worms. Nauka Novosibirsk: 179-192.