A revision of the “acaecate” earthworms of the Pheretima group (Megascolecidae: Oligochaeta): Archipheretima, Metapheretima, Planapheretima, Pleionogaster, and Polypheretima
Published in Bull. Br. Mus. Nat. Hist. (Zool.), in 1979, in volume 35, pages 1-126
Date published:1979