@article {DeLeyAndBlaxter2004,
	title = {A new system for Nematoda: combining morphological characters with molecular trees, and translating clades into ranks and taxa},
	journal = {Nematology Monographs \& Perspectives},
	volume = {2},
	year = {2004},
	pages = {633-653},
	author = {De Ley, Paul and Blaxter, Mark L.}
}
