@article{ERMS:SourceID:406947, author = {Jamieson, B.G.M.}, journal = {Evolutionary Theory}, pages = {195-233}, title = {Phylogenetic and phenetic systematics of the opisthoporous Oligochaeta (Annelida: Clitellata)}, url = {https://www.mn.uio.no/cees/english/services/van-valen/evolutionary-theory/volume-3/vol-3-no-4-pages-195-233-b-g-m-jamieson-phylogenetic-and-phenetic-systematics-of-the-opisthoporous-oligochaeta-annelida-clitellata.pdf}, volume = {3}, year = {1978} }