Nephrallaxis Fender & McKey-Fender 1990

Fender & McKey-Fender 1990. Oligochaeta: Megascolecidae and other earthworms from western North America. Dindal, D.L.[Ed]. Soil biology guide., John Wiley & Sons, New York, Chichester etc., 1990: i-xx, 1-1349. Chapter pagination: 357-378