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Phylogenetic analysis of 25 morphological characteristics among 12 Haemonchus species resulted in one most parsimonious tree (60 steps; consistency index, 0.67; retention index, 0.80). Monophyly for Haemonchus was diagnosed by 3 unequivocal synapomorphies, including the asymmetric origin of the...

Hoberg, E. P.; Lichtenfels, J. R.; Gibbons, L.
American Society of Parasitologists, Lawrence, USA
Journal of Parasitology, 2004, 90, 5, pp 1085-1102

Polymerase chain reaction products were characterized for a repeated sequence family (designated "O-150") of Onchocerca volvulus. In phylogenetic inferences, the O-150 sequences clustered into closely related groups, suggesting that concerted evolution maintains sequence homology in this family....

Zimmerman, P. A.; Katholi, C. R.; Wooten, M. C.; Lang-Unnasch, N.; Unnasch, T. R.
Molecular Biology and Evolution, 1994, 11, 3, pp 384-392

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