dc:title"Two new nematode species of the genus Cosmocephalus Molin, 1858 (Spirurida: Acuariidae), with an amended generic diagnosis and an identification key to Cosmocephalus spp.";
dc:description"FIGURE 1 A – G. Cosmocephalus podicipis n. sp. A. Anterior end, female, lateral view; B. Anterior end, male, lateral view; C. Vagina, lateral view; D. Posterior end, male, lateral view; E. Caudal end, female, lateral view; F. Egg; G. Right spicule, dextral view. Scale bars: A – E, G = 100 μm; F = 25 μm.";
dc:description"FIGURE 2 A – G. Cosmocephalus podicipis n. sp., female, SEM. A. Anterior end, lateral view; note deirid (arrow); B. Pseudolabium, lateral view; note cephalic papillae (arrowheads), amphid (arrow), cuticular swellings dorsally and ventrally at the bases of the pseudolabia (asterisks); C. Anterior end, apical view; note cephalic papillae (arrowheads), amphids (arrows), cuticular swellings dorsally and ventrally at the bases of the pseudolabia (asterisks); D. Lateral alae; note deirids (arrowheads) and excretory pore (arrow); E. Cuticular plates, detail from the middle part of the descending arm of a cordon; F. Deirid; G. Postdeirid. Scale bars: A = 100 μm; B, C, E – G = 10 μm; D = 50 μm.";
dc:description"FIGURE 3 A – F. Cosmocephalus podicipis n. sp. A. Vulva; B. Posterior end, female; note nipple-like projection (arrowhead) and, phasmid (arrow); C. Posterior end, male, ventral view. D. Posterior end of male; ventral view; note sessile papillae (white arrowheads), pedunculate papillae (arrows) and phasmids (black arrowheads). E. Precloacal region of tail, ventral view; note papillae (arrowheads) and ventral cuticular ridge (arrow). F. Distal end of left spicule. Scale bars: A, B, F = 10 μm; C, E = 50 μm; D = 20 μm.";
dc:description"FIGURE 6 A – I. Cosmocephalus obvelatus, SEM. A. Anterior end, female, lateral view; note deirid (arrow); B. Anterior end, male, lateral view; note deirid (arrow); C. Pseudolabia, apical view; note cephalic papillae (arrowheads), amphid (arrow), cuticular swellings dorsally and ventrally at the bases of the pseudolabia (asterisks); D. Anterior end, apical view; note small pores; E. Deirid; F. Postdeirid. G. Posterior end, male, ventral view; note ventral cuticular ridge, precloacal papillae (arrowheads) and cloaca (arrow). H. Caudal alae, note postcloacal papillae (arrowheads). I. Posterior end, female, lateral view; note phasmid (arrow) and nipple-like projection. Scale bars: A, B, H, I = 50 μm; G = 100 μm; C, F = 20 μm; D, E = 10 μm.";
dc:description"FIGURE 5 A – H. Cosmocephalus obvelatus. A. Anterior end, female, lateral view; B. Anterior end, male, lateral view; C. Vagina, lateral view; D. Caudal end, female, ventral view; E. Posterior end, female, lateral view; F. Left spicule, sinistral view; G. Egg; H. Right spicule, dextral view. Scale bars: A – C, E, F, H = 100 μm; D = 200 μm; G = 25 μm.";
dc:description"FIGURE 7 A, B. Cosmocephalus jaenschi, paratype, male. A. Anterior end, lateral view; B. Posterior end, lateral view. Scale bars: A, B = 100 μm.";