Wirnsberger, E Rediagnoses of closely related pigmented marine species of the genus Pseudokeronopsis (ciliophora, hypotrichida). [electronic resource] - European journal of protistology Nov 1987 - 76-88 p. digital Publication Type: Journal Article ISSN: 0932-4739 Standard No.: 10.1016/S0932-4739(87)80010-X doi