[Ostracods (Crustacea, Ostracoda), the ectoparasites of sea urchins].
D000818:Animals; D003445:Crustacea / Q000145:classification*; D004478:Ectoparasitic Infestations; D012617:Sea Urchins; D014586:USSR
Ostrakody (Crustacea, Ostracoda)--ektoparazity morskikh ezhei.