Prohyptiasmus magnus ( Johnston, 1917 )

Dronen, Norman O. & Blend, Charles K., 2015, Updated keys to the genera in the subfamilies of Cyclocoelidae Stossich, 1902, including a reconsideration of species assignments, species keys and the proposal of a new genus in Szidatitreminae Dronen, 2007, Zootaxa 4053 (1), pp. 1-100 : 66-67

Prohyptiasmus magnus ( Johnston, 1917) — Type and only species

Type host. Black swan, Cygnus atratus (Latham) (Syn. Chenopsis atratus Latham ) ( Anseriformes : Anatidae ).

Type locality. Victoria, Australia.

Additional host. Greylag goose, Anser anser (Linnaeus) ( Anseriformes : Anatidae ).

Additional locality. Astrakhan Nature Reserve, Russian Federation.

Remarks. This species was originally described as Hyptiasmus magnus Johnston, 1917 . Stossichium magnum ( Johnston, 1917) has been considered to be a synonym of P. magnus , and P. magnus a synonym of Cyclocoelum arcuatum ( Brandes, 1892) (= Hyptiasmus arcuatus [ Brandes, 1892 of Stossich, 1902]) by Joyeux & Baer (1927). It was considered to be a synonym of Prohyptiasmus robustus ( Stossich, 1902) (= Cyclocoelum robustum Stossich, 1902 ) by Bashkirova (1950). This is the only species currently assigned to this genus and therefore it may stand as a replacement type species for P. robustus (= Cyclocoelum robustum ). No oral or ventral sucker described— Johnston (1917).

Cygnus Grus grus Himantopus Grus cinerea Grus grus Grus antigone Cynopolius cyanus Megalornis atratus Gruidae mexicanus Gruidae Gruidae Gruidae (Unknοwn species gruslilfordi Anatidae Recurvirοstridae οf magpie) Gruidae

Cοrvidae

Lοcality Australia Eurοpe USA Germany Azerbaidzhan Australia China Siberia

and India

= Nοt present.