Abstract
Endemic species of the Southern South American earthworm genera Chilota Michaelsen, Citation1899 and Yagansia Michaelsen, Citation1899 were thought to be missing from Argentinean Patagonia. A recent collecting trip to the Andean-Patagonian forest region of Argentina resulted in the discovery of the very first endemic Chilota and Yagansia species in Argentina: Chilota intercisetus sp. nov. and Yagansia traful sp. nov.
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Acknowledgements
Our thanks are due to Katalin Szlávecz (The Johns Hopkins University, Baltimore) for her comments on the manuscript and linguistic polishing of the text.