Acanthochasmus diploporus Stunkard, 1931 accepted as Proctocaecum diploporum (Stunkard, 1931) Baugh, 1957 accepted as Proctocaecum coronarium (Cobbold, 1861) Baugh, 1957 (basis of record)
Acanthochasmus inermis Stossich, 1905 accepted as Acanthostomum inerme (Stossich, 1905) Yamaguti, 1958 accepted as Aphallus tubarium (Rudolphi, 1819) Poche, 1926 (additional source)
Acanthostomum (Orientoacanthostomum) Zaidi & Khan, 1977 accepted as Gymnatrema Morozov, 1955 (source of synonymy)
Acanthostomum alii Karyakarte, 1967 accepted as Atrophecaecum burminis (Bhalerao, 1926) Bhalerao, 1940 accepted as Acanthostomum burminis (Bhalerao, 1926) Bhalerao, 1936 (source of synonymy)
Acanthostomum floridense (McCoy, 1928) Price, 1940 (status source)
Acanthostomum gnerii Szidat, 1954 accepted as Proctocaecum gnerii (Szidat, 1954) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 (additional source)
Acanthostomum megacetabulum Thatcher, 1963 accepted as Proctocaecum megacetabulum (Thatcher, 1963) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 (additional source)
Acanthostomum niloticum Issa, 1962 accepted as Proctocaecum niloticum (Issa, 1962) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 (redescription)
Acanthostomum nuevoleonensis Caballero y C. & Caballero R., 1964 accepted as Proctocaecum nuevoleonensis (Caballero & Caballero, 1964) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 accepted as Proctocaecum megacetabulum (Thatcher, 1963) Lamothe-Argumedo & Ponciano-Rodriguez, 1986 (source of synonymy)
Atrophecaecum Bhalerao, 1940 accepted as Acanthostomum Looss, 1899 (taxonomy source)
Atrophecaecum burminis (Bhalerao, 1926) Bhalerao, 1940 accepted as Acanthostomum burminis (Bhalerao, 1926) Bhalerao, 1936 (additional source)
Atrophecaecum indicum Simha, 1958 accepted as Acanthostomum simhai Khalil, 1963 (redescription)
Caimanicola brauni (Mañé-Garzón & Gil, 1961) Brooks, 1980 (new combination reference)
Caimanicola caballeroi (Peláez & Cruz) Brooks, 1980 (new combination reference)
Caimanicola pavida (Brooks & Overstreet, 1977) Brooks, 1980 accepted as Caimanicola pavidus (Brooks & Overstreet, 1977) Brooks, 1980 (new combination reference)
Gymnatrema Morozov, 1955 (additional source)
Gymnatrema gymnarchi (Dollfus, 1950) Morozov, 1955 (redescription)
Gymnatrema nigeri (Zaidi & Khan, 1977) Brooks, 1980 (new combination reference)
Perezitrema bychowskyi (Caballero & Caballero, 1975) Brooks, 1980 (new combination reference)
Perezitrema lepisostei (Watson, 1976) Brooks, 1980 accepted as Perezitrema bychowskyi (Caballero & Caballero, 1975) Brooks, 1980 (new combination reference)
Proctocaecum Baugh, 1957 (additional source)
Proctocaecum atae (Tubangui & Masiluñgan) Brooks, 1980 (new combination reference)
Proctocaecum crocodili (Yamaguti, 1954) Baugh, 1957 (additional source)
Proctocaecum gonotyl (Dollfus, 1950) Brooks, 1980 (new combination reference)
Proctocaecum nicolli Brooks, 1980 (original description)
Proctocaecum productum (Odhner, 1902) Brooks, 1980 (new combination reference)
Proctocaecum vicinum (Odhner, 1902) Brooks, 1980 (new combination reference)
Timoniella imbutiforme (Molin, 1859) Brooks, 1980 accepted as Timoniella imbutiformis (Molin, 1859) Brooks, 1980 (new combination reference)
Timoniella imbutiformis (Molin, 1859) Brooks, 1980 (new combination reference)
Timoniella incognita Brooks, 1980 (original description)
Timoniella scyphocephala (Braun, 1899) Brooks, 1980 (new combination reference)