S. turusigi (Yamaguti, 1939) n. comb.

Type host. Spotted redshank, Tringa erythropus (Pallas) (Syn. Totanus fuscus Linnaeus) ( Charadriiformes: Scolopacidae)— Uchida et al. (1991).

Type locality. Sizuoka Prefecture, Japan—Uchida et al. (1991).

Remarks. This species was originally described as Cyclocoelum turusigi Yamaguti, 1939, but was considered to be a synonym of Cyclocoelum allahabadi Khan, 1935 (= Selfcoelum allahabadi [Khan, 1935] n. comb.) by Bashkirova (1950) and of Cyclocoelum ovopunctatum Stossich, 1902 by Dubois (1959). It has a genital pore that is located at the posterior end of the pharynx. No oral or ventral sucker described—Yamaguti (1939).