Stenurus is a genus of nematode that infects the respiratory system and sinuses of cetaceans, which includes whales, dolphins, and porpoises. Up to 1700 worms may be found in a single host.
Males of the genus Stenurus are characterized by a conspicuous bursa with trunk-like bursal rays, a well-developed dorsal rays, and spicules bearing a deep blade.
Species There are 9 species: Stenurus arctomarinus Delyamure & Kleinenberg, 1958 Stenurus auditivus Hsu & Hoeppli, 1933 Stenurus australis Sarmiento & Tantalean, 1991 Stenurus globicephalae Baylis & Daubney, 1925 Stenurus minor (Kuhn, 1829) Baylis & Daubney, 1925 Stenurus nanjingensis Tao, 1983 Stenurus ovatus (von Linstow, 1910) Baylis & Daubney, 1925 Stenurus truei Machida, 1974 Stenurus yamagutii Kuramochi, Araki & Machida, 1990
Formerly accepted species Stenurus alatus Leuckart, 1848) Yorke & Maplestone, 1926 accepted as Pharurus alatus (Leuckart, 1848) Stiles & Hassall, 1905 (Superseded combination) Stenurus arcticus (Cobb, 1888) Baylis & Daubney, 1925 accepted as Pharurus pallasii (Van Beneden, 1870) Arnold & Gaskin, 1975 (Synonym) Stenurus inflexus (Rudolphi, 1808) Dujardin, 1845 accepted as Pseudalius inflexus (Rudolphi, 1808) Schneider, 1866 (Superseded combination) Stenurus pallasii (van Beneden, 1870) accepted as Pharurus pallasii (Van Beneden, 1870) Arnold & Gaskin, 1975 (Superseded combination) Stenurus phocoenae Dougherty, 1943 accepted as Stenurus minor (Kuhn, 1829) Baylis & Daubney, 1925 (Synonym) Stenurus vagans (Eschricht, 1841) Dougherty, 1943 accepted as Stenurus minor (Kuhn, 1829) Baylis & Daubney, 1925 (Synonym)
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