| redescription of dracunculus globocephalus mackin, 1927 (nematoda: dracunculidae), a parasite of the snapping turtle, chelydra serpentina. | dracunculus globocephalus mackin, 1927 (nematoda: dracunculoidea) is redescribed from specimens collected from the mesentery of the snapping turtle, chelydra serpentina (l.), in louisiana, usa. the use of scanning electron microscopy, applied for the first time in this species, made it possible to study details in the structure of the cephalic end and the arrangement of male caudal papillae that are difficult to observe under the light microscope. this species markedly differs from all other spe ... | 2004 | 15729947 |