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Uschakov, P. V. 1973. About initial formation of elytrons and description of a new species of Perolepis (Polychaeta, Polynoidae). Zoologicheskii zhurnal, 52(11): 1616-1625.
Uschakov, P. V. 1973. About initial formation of elytrons and description of a new species of Perolepis (Polychaeta, Polynoidae). Zoologicheskii zhurnal, 52(11): 1616-1625.