Phylogenetic outline of Nematoda, derived primarily from small subunit rDNA* sequence analysis

*SSU rDNA is also frequently referred to as 18S or 16S rDNA

Click here for references

Click on taxa in red print to see their lower classification

Click on a blue triangle to see more phylogenetic resolution of a clade

This phylogeny is based on the following publications:

Blaxter, M.L., De Ley, P., Garey, J.R., Liu, L.X., Scheldeman, P., Vierstraete, A., Vanfleteren, J.R., Mackey, L.Y., Dorris, M., Frisse, L.M., Vida, J.T. & Thomas, W.K. (1998). A molecular evolutionary framework for the phylum Nematoda. Nature, 392: 71-75.

De Ley, P. & Blaxter, M.L. (2002). Systematic position and phylogeny. In: D.L. Lee (Ed.) The Biology of Nematodes. London, Taylor and Francis, pp. 1-30.

De Ley, P. & Blaxter, M.L. (In press). A new system for Nematoda: combining morphological characters with molecular trees, and translating clades into ranks and taxa. Nematology , - .