Chalcinotrema Teixeira de Freitas, 1947 (additional source)
Dicrogaster Looss, 1902 (identification resource)
Dicrogaster contractus Looss, 1902 accepted as Dicrogaster contracta Looss, 1902 (redescription)
Dicrogaster perpusillus Looss, 1902 accepted as Dicrogaster perpusilla Looss, 1902 (redescription)
Haploporidae Nicoll, 1914 (identification resource)
Haploporinae Nicoll, 1914 (identification resource)
Haploporus Looss, 1902 (identification resource)
Haploporus benedeni (Stossich, 1887) Looss, 1902 accepted as Haploporus benedenii (Stossich, 1887) Looss, 1902 (redescription)
Haploporus lateralis Looss, 1902 accepted as Haploporus benedenii (Stossich, 1887) Looss, 1902 (redescription)
Haploporus longicollum Vlassenko, 1931 accepted as Haploporus longicolum Vlassenko, 1931 accepted as Wlassenkotrema longicolum (Vlassenko, 1931) Skrjabin, 1956 accepted as Saccocoelium obesum Looss, 1902 (additional source)
Lecithobotrys Looss, 1902 (identification resource)
Lecithobotrys putrescens Looss, 1902 (redescription)
Paralecithobotrys Teixeira de Freitas, 1948 (identification resource)
Paralecithobotrys brasiliensis Teixeira de Freitas, 1948 (redescription)
Saccocoelium Looss, 1902 (identification resource)
Saccocoelium obesum Looss, 1902 (redescription)
Saccocoelium tensum Looss, 1902 (redescription)
Skrjabinolecithum Belous, 1954 (identification resource)
Skrjabinolecithum spasskii Belous, 1954 (redescription)
Waretrema Srivastava, 1937 (identification resource)
Waretrema piscicola Srivastava, 1937 accepted as Waretrema piscicolum Srivastava, 1937 (redescription)
Wlassenkotrema Skrjabin, 1956 accepted as Saccocoelium Looss, 1902 (original description)
Wlassenkotrema longicollum (Vlassenko, 1931) Skrjabin, 1956 accepted as Wlassenkotrema longicolum (Vlassenko, 1931) Skrjabin, 1956 accepted as Saccocoelium obesum Looss, 1902 (redescription)
Wlassenkotrema longicollum (Vlassenko, 1931) Skrjabin, 1956 accepted as Wlassenkotrema longicolum (Vlassenko, 1931) Skrjabin, 1956 accepted as Saccocoelium obesum Looss, 1902 (new combination reference)
Wlassenkotrema longicolum (Vlassenko, 1931) Skrjabin, 1956 accepted as Saccocoelium obesum Looss, 1902 (new combination reference)