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Erséus, C. (1979). Re-examination of the marine genus Spiridion Knöllner (Oligochaeta, Tubificidae). Sarsia. 64(3): 183-187.
Erséus, C. (1979). Re-examination of the marine genus Spiridion Knöllner (Oligochaeta, Tubificidae). Sarsia. 64(3): 183-187.