Parasaveljevia

Pastor, Catalina, Russo, Virginia Lo & Villares, Gabriela, 2015, Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina), Zootaxa 4027 (4), pp. 551-564 : 562

Key to species of Parasaveljevia (based on males only)

1. Lateral cephalic setae longer than the other four and cephalic setae inserted in the posterior third of head................ 2

1’. Lateral cephalic setae of the same length of the other four and cephalic setae inserted at the anterior end of the head capsule.............................................................................. P. uncinoa n. sp. ( Argentina).

2. Apical organ or cirri on each lateral side of the head, at level of labial setae, tail 4.5–5.0 anal diameters long........................................................................................ P. cirrifera Wieser, 1953 ( Chile) .

2’. Apical organ or cirri on each lateral side of the head, between labial setae and cephalic setae, tail less than 4.5 anal diameters long........................................................................ P. limitense n. sp. ( Argentina).