Allocreadium commune (Olsson,, 1868) Odhner, 1901 accepted as Peracreadium commune (Olsson, 1868) Nicoll, 1909 (redescription)
Azygia acuminata Goldberger, 1911 (redescription)
Azygia lucii (Müller, 1776) Lühe, 1909 (redescription)
Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 (redescription)
Centrovarium lobotes (MacCallum, 1895) Stafford, 1904 (redescription)
Clinostomum marginatum (Rudolphi, 1819) Braun, 1899 (redescription)
Crepidostomum cornutum (Osborn, 1903) Stafford, 1904 (redescription)
Crepidostomum laureatum (Zeder, 1800) Braun, 1900 accepted as Crepidostomum farionis (Müller, 1780) Lühe, 1909 (redescription)
Cryptogonimus chyli Osborn, 1903 accepted as Cryptogonimus chili Osborn, 1903 (redescription)
Derogenes varicus (Müller, 1784) Looss, 1901 (additional source)
Diplostomum cuticola (von Nordmann, 1832) Diesing, 1850 accepted as Posthodiplostomum cuticola (von Nordmann, 1832) Dubois, 1936 (additional source)
Diplostomum volvens von Nordmann, 1832 (additional source)
Gasterostomum pusillum Stafford, 1904 accepted as Bucephalus pusillus (Stafford, 1904) accepted as Bucephalopsis pusillus (Stafford, 1904) accepted as Prosorhynchoides pusillus (Stafford, 1904) Margolis & Arthur, 1979 (redescription)
Hemiurus appendiculatus (Rudolphi, 1802) Looss, 1899 (redescription)
Hemiurus levinseni Odhner, 1905 (redescription)
Hirudinella clavata (Menzies, 1791) de Blainville, 1828 accepted as Hirudinella ventricosa (Pallas, 1774) Baird, 1853 (redescription)
Sinistroporus simplex (Rudolphi, 1819) Stafford, 1904 accepted as Podocotyle simplex (Rudolphi, 1809) Srivastava, 1966 (redescription)
Stenocollum fragile (Linton, 1900) Stafford, 1904 accepted as Dihemistephanus fragilis (Linton, 1900) Yamaguti, 1971 (additional source)
Tocotrema lingua (Creplin, 1825) accepted as Cryptocotyle lingua (Creplin, 1825) Fischoeder, 1903 (redescription)

Bay of Fundy for Derogenes varicus (Müller, 1784) Looss, 1901 
Ontario for Allocreadium commune (Olsson,, 1868) Odhner, 1901 
Ontario for Azygia acuminata Goldberger, 1911 
Ontario for Azygia lucii (Müller, 1776) Lühe, 1909 
Ontario for Centrovarium lobotes (MacCallum, 1895) Stafford, 1904 
Ontario for Clinostomum marginatum (Rudolphi, 1819) Braun, 1899 
Ontario for Crepidostomum cornutum (Osborn, 1903) Stafford, 1904 
Ontario for Crepidostomum laureatum (Zeder, 1800) Braun, 1900 
Ontario for Cryptogonimus chyli Osborn, 1903 
Ontario for Diplostomum cuticola (von Nordmann, 1832) Diesing, 1850 
Ontario for Diplostomum volvens von Nordmann, 1832 
Ontario for Gasterostomum pusillum Stafford, 1904 
Passamaquoddy Bay for Brachyphallus crenatus (Rudolphi, 1802) Odhner, 1905 
Passamaquoddy Bay for Hemiurus appendiculatus (Rudolphi, 1802) Looss, 1899 
Passamaquoddy Bay for Hemiurus levinseni Odhner, 1905 
Passamaquoddy Bay for Lepidophyllum steenstrupi Odhner, 1902 
Passamaquoddy Bay for Otodistomum cestoides (Van Beneden, 1870) Odhner, 1911 
Passamaquoddy Bay for Sinistroporus simplex (Rudolphi, 1819) Stafford, 1904 
Passamaquoddy Bay for Stenocollum fragile (Linton, 1900) Stafford, 1904 
Passamaquoddy Bay for Tocotrema lingua (Creplin, 1825) 
Scotian Shelf for Hirudinella clavata (Menzies, 1791) de Blainville, 1828