Clavinema Yamaguti, 1935

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274 : 42

Clavinema Yamaguti, 1935

Generic diagnosis (after Yamaguti 1935). Philometridae . Body elongate, claviform, with thick muscular wall. Head and tail papillae absent. Anterior end of oesophagus bulbous, strongly muscular; posterior portion longer and cylindrical, with small oesophageal gland at about its middle. Intestine voluminous anteriorly. Ovaries amphidelphic. Uterus extends most of body length, distended with eggs, anteriorly especially. Vulva and vagina atrophied or absent. Viviparous. Males unknown. Parasites of fishes.

One species, C. mariae , is known from several fish species in Canada.