Aristeraclelandia Ceccolini & Cianferoni, 2021 (original description)
Aristeraclelandia parva (Johnston, 1909) Ceccolini & Cianferoni, 2021 (new combination reference)
Atractotrema fusum Goto & Ozaki, 1929 accepted as Emprostiotrema fusum (Goto & Ozaki, 1929) Cianferoni & Ceccolini, 2021 (new combination reference)
Atractotrema kuntzi Ahmad, 1985 accepted as Emprostiotrema kuntzi (Ahmad, 1985) Cianferoni & Ceccolini, 2021 (new combination reference)
Atractotrema sigani Durio & Manter, 1969 accepted as Emprostiotrema sigani (Durio & Manter, 1969) Cianferoni & Ceccolini, 2021 (new combination reference)
Clelandia Johnston, 1909 nec Cossmann, 1902 (source of synonymy)
Clelandia parva Johnston, 1909 accepted as Aristeraclelandia parva (Johnston, 1909) Ceccolini & Cianferoni, 2021 (new combination reference)
Didymosphaera Mamaev, 1968 nec Linck, 1883 accepted as Opepherotrematoides Yamaguti, 1970 (source of synonymy)
Didymosphaera mirabilis Mamaev, 1968 accepted as Opepherotrematoides mirabilis (Mamaev, 1968) (taxonomy source)
Didymosphaera multitubularis (Yamaguti, 1970) Pozdnyakov, 1996 accepted as Opepherotrematoides multitubularis Yamaguti, 1970 (taxonomy source)
Didymosphaera yaito (Yamaguti, 1970) Pozdnyakov, 1996 accepted as Opepherotrematoides yaito (Yamaguti, 1970) Ceccolini & Cianferoni, 2021 (new combination reference)
Emprostiotrema Cianferoni & Ceccolini, 2021 (original description)
Emprostiotrema fusum (Goto & Ozaki, 1929) Cianferoni & Ceccolini, 2021 (new combination reference)
Emprostiotrema kuntzi (Ahmad, 1985) Cianferoni & Ceccolini, 2021 (new combination reference)
Emprostiotrema sigani (Durio & Manter, 1969) Cianferoni & Ceccolini, 2021 (new combination reference)
Emprostiotrematidae Cianferoni & Ceccolini, 2021 (original description)
Fernandezia López-Neyra, 1936 nec Hyatt & Pilsbry, 1911 accepted as Turdifernandezia Ceccolini & Cianferoni, 2021 (source of synonymy)
Fernandezia goizuetai López-Neyra, 1936 accepted as Turdifernandezia goizuetai (López- Neyra, 1936) Ceccolini & Cianferoni, 2021 (new combination reference)
Opepherotrematoides Yamaguti, 1970 (taxonomy source)
Opepherotrematoides mirabilis (Mamaev, 1968) (taxonomy source)
Opepherotrematoides multitubularis Yamaguti, 1970 (taxonomy source)
Opepherotrematoides yaito (Yamaguti, 1970) Ceccolini & Cianferoni, 2021 (new combination reference)
Pseudosemenoviella Ceccolini & Cianferoni, 2021 (original description)
Pseudosemenoviella amphisbaenae (Rudolphi, 1819) Ceccolini & Cianferoni, 2021 (new combination reference)
Semenoviella Spasskii, 1951 nec Obenberger, 1924 accepted as Pseudosemenoviella Ceccolini & Cianferoni, 2021 (source of synonymy)
Semenoviella amphisbaenae (Rudolphi, 1819) Spasskii, 1951 accepted as Pseudosemenoviella amphisbaenae (Rudolphi, 1819) Ceccolini & Cianferoni, 2021 (new combination reference)
Taenia amphisbaenae Rudolphi, 1819 accepted as Pseudosemenoviella amphisbaenae (Rudolphi, 1819) Ceccolini & Cianferoni, 2021 (basis of record)
Triplocystoides Yamaguti, 1970 accepted as Opepherotrematoides Yamaguti, 1970 (taxonomy source)
Turdifernandezia Ceccolini & Cianferoni, 2021 (original description)
Turdifernandezia goizuetai (López- Neyra, 1936) Ceccolini & Cianferoni, 2021 (new combination reference)

 Taxonomy

 for Aristeraclelandia Ceccolini & Cianferoni, 2021

Replacement name for a junior homonym of Clelandia Cossmann, 1902 [details]

 Taxonomy

 for Emprostiotrema Cianferoni & Ceccolini, 2021

New name for the homonym Atractotrema Goto & Ozaki, 1929 nec Cossmann, 1888 [details]

 Taxonomy

 for Semenoviella Spasskii, 1951 nec Obenberger, 1924

Semenoviella Spasskij is invalid as the name is preoccupied by Semenoviella Obenberger, 1924 [details]

 Taxonomy

 for Turdifernandezia Ceccolini & Cianferoni, 2021

Replacement nane for Fernandezia López-Neyra, 1936. [details]