Gynaecotyla Yamaguti, 1939 (identification resource)
Gynaecotyla adunca (Linton, 1905) Yamaguti, 1939 (redescription)
Levinseniella Ward, 1901 (identification resource)
Levinseniella brachysoma (Creplin, 1837) Stiles & Hassall, 1902 (redescription)
Levinseniella propinqua Jägerskiöld, 1907 (redescription)
Maritrema Nicoll, 1907 (identification resource)
Maritrema arenaria Hadley & Castle, 1940 accepted as Maritrema gratiosum Nicoll, 1907 (redescription)
Maritrema gratiosum Nicoll, 1907 (redescription)
Maritrema subdolum Jägerskiöld, 1909 (redescription)
Maritrematinae Nicoll, 1909 (identification resource)
Microphallidae Ward, 1901 (identification resource)
Microphallinae Ward, 1901 (identification resource)
Microphallus Ward, 1901 (identification resource)
Pseudomaritrema Belopolskaja, 1952 (original description)
Spelotrema Jägerskiöld, 1901 accepted as Microphallus Ward, 1901 (identification resource)
Spelotrema excellens Nicoll, 1907 accepted as Microphallus excellens (Nicoll, 1907) Baer, 1944 accepted as Microphallus similis (Jägerskiöld, 1900) Baer, 1944 (redescription)
Spelotrema simile (Jagerskiold, 1900) Looss, 1902 accepted as Microphallus similis (Jägerskiöld, 1900) Baer, 1944 (redescription)