1. Aboobaker, A., & Blaxter, M. (2003). Hox gene evolution in nematodes: Novelty conserved. Current Opinion in Genetics and Development, 13, 593–598.
2. Adams, B. J. (1998). Species concepts and the evolutionary paradigm in modern nematology. Journal of Nematology, 30, 1–21.
3. Aguinaldo, A. M. A., Turbeville, J. M., Linford, L. S., Rivera, M. C., Garey, J. R., Raff, R. A., & Lake, J. A. (1997). Evidence for a clade of nematodes, arthropods and other moulting animals. Nature, 387, 489–493.
4. Archetti, M. (2004). Recombination and loss of complementation: A more than two-fold cost for parthenogenesis. Journal of Evolutionary Biology, 17, 1084–1097.
5. Averof, M., & Patel, N. H. (1997). Crustacean appendage evolution associated with changes in Hox gene expression. Nature, 388, 682–686.