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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 6554

Walter J. Harman, Ralph O. Brinkhurst, and M. Marchese; A contribution to the taxonomy of the aquatic Oligochaeta (Naididae) of South America. Can.J.Zool. 66:2233-2242, 1988

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The number of South American species of the family Naididae has yet to be determined. Some 27 species are discussed here, and a list of South American species in 15 genera is presented. Nais simplex, Dero (Aulophorus) vagus, and Pristinella acuminata are new to the list. Nais raviensis is regarded as a member of the genus Dero in accordance with recent literature. The subfamily Stylarinae, thought to be the oldest in the family, is scarce or absent in the region, in contrast to austral or southern distribution for supposedly more primitive families or primitive genera in other families.