S.  Derycke, Fonseca, G., Vierstraete, A., Vanfleteren, J., Vincx, M., and Moens, T., ?Disentangling taxonomy within the Rhabditis (Pellioditis) marina (Nematoda, Rhabditidae) species complex using molecular and morphological tools?, Zoological Journal of the Linnean Society, vol. 152, pp. 1-15, 2008.