Guerrero 1994. Sciurodendrium gardneri, new species (Nematoda: Trichostrongyloidea: Heligmonellidae), a parasite of Sciurus carolinensis Gmelin, 1788 (Mammalia: Sciuridae), with comments on the biogeography of Sciurodendrium Durette-Desset, 1971. Proceedings of the Biological Society of Washington, 107(1), 20 April 1994: 179-184