Derogenidae Nicoll, 1910 (original description)
Helicometra pulchella (Rudolphi, 1819) Odhner, 1902 (redescription)
Lebouria alacris (Looss, 1901) Nicoll, 1909 accepted as Plagioporus alacris (Looss, 1901) Price, 1934 accepted as Macvicaria alacris (Looss, 1901) Gibson & Bray, 1982 (redescription)
Lebouria varia Nicoll, 1910 accepted as Macvicaria soleae (Dujardin, 1845) Gibson & Bray, 1982 (original description)
Leioderma cluthense (Nicoll, 1909) Nicoll, 1910 accepted as Steringotrema cluthense (Nicoll, 1909) Odhner, 1911 accepted as Steringotrema pagelli (van Beneden, 1871) Odhner, 1911 (new combination reference)
Leioderma furcigerum (Olsson, 1868) Stafford, 1904 accepted as Fellodistomum furcigerum (Olsson, 1868) Yamaguti, 1953 accepted as Steringophorus furciger (Olsson, 1868) Odhner, 1905 (additional source)
Lepidapedon elongatum (Lebour, 1908) Nicoll, 1910 (new combination reference)
Lepidapedon rachion (Cobbold, 1858) Stafford, 1904 (additional source)
Peracreadium commune (Olsson, 1868) Nicoll, 1909 (redescription)
Peracreadium genu (Rudolphi, 1819) Nicoll, 1909 (redescription)
Pharyngora Lebour, 1908 accepted as Opechona Looss, 1907 (identification resource)
Pharyngora bacillaris (Molin, 1859) Nicoll, 1910 accepted as Opechona bacillaris (Molin, 1859) Dollfus, 1927 (new combination reference)
Pharyngora bacillaris (Molin, 1859) Nicoll, 1910 accepted as Opechona bacillaris (Molin, 1859) Dollfus, 1927 (redescription)
Podocotyle atomon (Rudolphi, 1802) Odhner, 1905 (additional source)
Prosorhynchus aculeatus Odhner, 1905 accepted as Skrjabiniella aculeata (Odhner, 1905) Issaitschikow, 1928 (redescription)
Prosorhynchus crucibulum (Rudolphi, 1819) Odhner, 1905 (redescription)
Stephanochasmus baccatus Nicoll, 1907 accepted as Stephanostomum baccatum (Nicoll, 1907) Manter, 1934 (redescription)
Stephanochasmus pristis (Deslongchamps, 1824) Looss, 1901 accepted as Stephanostomum pristis (Deslongchamps, 1824) Looss, 1899 (additional source)
Zoogonoides viviparus (Olsson, 1868) Odhner, 1902 (additional source)