Paracapillaria Mendonça, 1963

Generic diagnosis (after Moravec 2001). Capillariidae . Stichosome comprises one row of stichocytes. Males lack lateral caudal alae. Membranous bursa supported by two lateral digital processes (rays) bent along posterior border of bursa to dorsal side (Fig. 22 A). Dorsal caudal projection absent. Pair of large sessile ad-cloacal or post-cloacal papillae present. Spicule without rough transverse grooves on surface. Spicular sheath non-spiny. Vulvar appendage absent.

One species, Paracapillaria (Paracapillaria) parophrysi, known from Canadian Pacific fishes.