Blakemore, R.J. (2006). Revised Key to Earthworm Families (Ch. 9). In: A Series of Searchable Texts on Earthworm Biodiversity, Ecology and Systematics from Various Regions of the World – 3rd Edition (2008). Ed.: R.J. Blakemore. VermEcology, Yokohama, Japan. ICZN validated CD-ROM Publication. Website:
http://www.annelida.net/earthworm/.
Stephenson, J. (1930). The Oligochaeta. Clarendon Press, Oxford. Pp. 978.
Blakemore, R.J. (2013). The major megadrile families of the World reviewed again on their taxonomic types (Annelida: Oligochaeta: Megadrilacea). Opuscula Zoologica Budapest: 44(2): 107–127.
[1].
Blakemore, R.J. (2006). Revised Key to Earthworm Families (Ch. 9). In: A Series of Searchable Texts on Earthworm Biodiversity, Ecology and Systematics from Various Regions of the World – 3rd Edition (2008). Ed.: R.J. Blakemore. VermEcology, Yokohama, Japan. ICZN validated CD-ROM Publication. Website:
http://www.annelida.net/earthworm/.
Stephenson, J. (1930). The Oligochaeta. Clarendon Press, Oxford. Pp. 978.
Blakemore, R.J. (2013). The major megadrile families of the World reviewed again on their taxonomic types (Annelida: Oligochaeta: Megadrilacea). Opuscula Zoologica Budapest: 44(2): 107–127.
[1].