1. TranslatorX: multiple alignment of nucleotide sequences guided by amino acid translations;Abascal;Nucleic Acids Res.,2010
2. Helminths of the opossum, Didelphis virginiana, in southern Illinois, with a compilation of all helminths reported from this host in North America;Alden;J. Helm. Soc. Wash.,1995
3. Nematode Parasites of Vertebrates: Their Development and Transmission;Anderson,2000
4. Keys to the Nematode Parasites of Vertebrates;Anderson,2009
5. Approximate likelihood-ratio test for branches: a fast, accurate, and powerful alternative;Anisimova;Syst. Biol.,2006