Capillaria Zeder, 1800

Generic diagnosis (after Moravec 2001). Capillariidae . Stichosome comprises one row of stichocytes. Lateral caudal alae absent from males. Posterior end of male rounded, usually with two lateral or ventro-lateral lobes. Membranous bursa absent. One pair of small papillae near cloacal opening. Spicule with many rough transverse grooves on surface. Spicular sheath spiny.