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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Ref ID : 5944

Donald P. Schwert; Description and significance of a fossil earthworm (Oligochaeta: Lumbricidae) cocoon from postglacial sediments in southern Ontario. Can.J.Zool. 57:1402-1405, 1979

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A nearly complete cocoon of the lumbricid Dendrodrilus rubidus (Savigny, 1826) was isolated from lacustrine sediments of >10 000 years in age in southern Ontario. The cocoon provides the first fossil evidence for the presence of earthworms in Canada preceding the arrival of European settlers.