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 Author Dronen, Norman O. Author Blend, Charles K. text Zootaxa 2015 4053 1 1 100 journal article 39311 10.11646/zootaxa.4053.1.1 1213dc53-0bc1-49d9-80d9-cecb92f244b1 1175-5326 237117 5D898449-E50A-4F70-B82B-BF2281A95F12 H . robustus Ukoli, 1968 Type host. Black - winged or common stilt, Himantopus himantopus (Linnaeus) ( Charadriiformes : Recurvirostridae ). Type locality. Republic of Ghana (previously Ghana ); specific type locality unknown. Remarks. Although this species was originally described as Haematotrephus robustum Ukoli, 1968 , it was not listed by Yamaguti (1971) . Presence or absence of oral and/or ventral sucker is unknown. Ukoli (1968) could not be obtained and therefore this species could not be included in the tables or keys. In our opinion this species should be considered to be a species inquirenda .