Ascarophis arctica Polyansky, 1952 (redescription)
Ascarophis extalicola Appy, 1981 (redescription)
Ascarophis filiformis Poljansky, 1952 (redescription)
Ascarophis sebastodis Olsen, 1952 (redescription)
Capillospirura Skrjabin, 1924 (taxonomy source)
Clavinema mariae (Layman, 1930) Margolis & Moravec, 1987 (redescription)
Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920 (redescription)
Cucullanellus kanabus Walder & Arai, 1974 accepted as Dichelyne (Cucullanellus) kanabus (Walder & Arai, 1974) (redescription)
Cucullanus annulatus Margolis, 1960 (redescription)
Cucullanus elongatus Smedley, 1933 (redescription)
Cystidicoloides ephemeridarum (von Linstow, 1872) Moravec, 1981 accepted as Salmonema ephemeridarum (von Linstow, 1872) Moravec, Santos & Brasil-Sato, 2008 (source of synonymy)
Daniconema anguillae Moravec & Køie, 1987 (basis of record)
Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981 (redescription)
Paraquimperia tenerrima (von Linstow, 1878) Baylis, 1934 (redescription)
Pharurus pallasii (Van Beneden, 1870) Arnold & Gaskin, 1975 (additional source)
Philometra rubra (Leidy, 1856) Yamaguti, 1961 (redescription)
Philonema agubernaculum Simon & Simon, 1936 (redescription)
Pseudanisakis tricupola Gibson, 1973 (redescription)
Pseudodelphis oligocotti Adamson & Roth, 1990 (redescription)
Pseudoterranova decipiens (Krabbe, 1878) Gibson, 1983 accepted as Phocanema decipiens (Krabbe, 1878) Myers, 1959 (redescription)
Salmonema Moravec, Santos & Brasil-Sato, 2008 (basis of record)
Salmonema ephemeridarum (von Linstow, 1872) Moravec, Santos & Brasil-Sato, 2008 (basis of record)
Salvelinema Trofimenko, 1962 (basis of record)
Salvelinema walkeri (Ekbaum, 1935) Margolis, 1967 (redescription)
Spinitectus cristatus Railliet & Henry, 1915 (basis of record)
Sterliadochona ephemeridarum (Linstow, 1872) Petter, 1984 accepted as Cystidicoloides ephemeridarum (von Linstow, 1872) Moravec, 1981 accepted as Salmonema ephemeridarum (von Linstow, 1872) Moravec, Santos & Brasil-Sato, 2008 (source of synonymy)
Truttaedacnitis sphaerocephala (Rudolphi, 1809) Petter, 1974 accepted as Cucullanus sphaerocephalus (Rudolphi, 1809) Baylis, 1939 (redescription)

Atlantic Coast of Canada for Anisakis simplex (Rudolphi, 1809) Dujardin, 1845 
Atlantic Coast of Canada for Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos, 1915 
Atlantic Coast of Canada for Capillospirura Skrjabin, 1924 
Atlantic Coast of Canada for Daniconema anguillae Moravec & Køie, 1987 
Atlantic Coast of Canada for Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981 
Atlantic Coast of Canada for Hysterothylacium incurvum (Rudolphi, 1819) Deardorff & Overstreet, 1980 
Atlantic Coast of Canada for Hysterothylacium reliquens (Norris & Overstreet, 1975) Deardorff & Overstreet, 1981 
Atlantic Coast of Canada for Ichthyofilaria canadensis Appy, Anderson & Khan, 1985 
Atlantic Coast of Canada for Paraquimperia tenerrima (von Linstow, 1878) Baylis, 1934 
Atlantic Coast of Canada for Pseudanisakis tricupola Gibson, 1973 
Atlantic Coast of Canada for Spinitectus cristatus Railliet & Henry, 1915 
Atlantic Coast of Canada for Truttaedacnitis sphaerocephala (Rudolphi, 1809) Petter, 1974 
Atlantic coast of Europe for Cucullanus heterochrous Rudolphi, 1802 
British Columbia for Clavinema mariae (Layman, 1930) Margolis & Moravec, 1987 
Canada for Paraquimperia tenerrima (von Linstow, 1878) Baylis, 1934 
Canada for Philonema agubernaculum Simon & Simon, 1936 
Canada (Arctic) for Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920 
Canadian Atlantic Coast for Ascarophis arctica Polyansky, 1952 
Canadian Atlantic Coast for Ascarophis extalicola Appy, 1981 
Canadian Atlantic Coast for Ascarophis filiformis Poljansky, 1952 
Canadian Atlantic Coast for Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920 
Canadian Atlantic Coast for Onchophora melanocephala (Rudolphi, 1819) Baudin-Laurencin, 1971 
Canadian part of the Arctic Ocean for Ascarophis filiformis Poljansky, 1952 
New Brunswick (Canada) for Philometra rubra (Leidy, 1856) Yamaguti, 1961 
Nova Scotia for Daniconema anguillae Moravec & Køie, 1987 
Pacific Coast of Canada for Anisakis simplex (Rudolphi, 1809) Dujardin, 1845 
Pacific Coast of Canada for Ascarophis filiformis Poljansky, 1952 
Pacific Coast of Canada for Ascarophis sebastodis Olsen, 1952 
Pacific Coast of Canada for Clavinema mariae (Layman, 1930) Margolis & Moravec, 1987 
Pacific Coast of Canada for Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920 
Pacific Coast of Canada for Cucullanellus kanabus Walder & Arai, 1974 
Pacific Coast of Canada for Cucullanus annulatus Margolis, 1960 
Pacific Coast of Canada for Cucullanus elongatus Smedley, 1933 
Pacific Coast of Canada for Huffmanela canadensis Moravec, Conboy & Speare, 2005 
Pacific Coast of Canada for Hysterothylacium aduncum (Rudolphi, 1802) Deardorff & Overstreet, 1981 
Pacific Coast of Canada for Hysterothylacium magnum (Smedley, 1934) Deardorff & Overstreet, 1981 
Pacific Coast of Canada for Philometra americana Kuitunen-Ekbaum, 1933 
Pacific Coast of Canada for Philonema agubernaculum Simon & Simon, 1936 
Pacific Coast of Canada for Pseudodelphis oligocotti Adamson & Roth, 1990 
Pacific Coast of Canada for Salvelinema walkeri (Ekbaum, 1935) Margolis, 1967 
Quebec for Philometra rubra (Leidy, 1856) Yamaguti, 1961 

 Habitat

 for Cystidicola farionis Fischer, 1798

Essentially a freshwater taxon in a range of salmonoid fishes. [details]

 Nomenclature

 for Raphidascaridinea Hartwich, 1954

This taxon is often attributed to Chabaud, 1965, but family-group names, which include tribe and subtribe, are ... [details]

 Taxonomic remark

 for Pseudoterranova bulbosa (Cobb, 1889) Mattiucci, Paggi, Nascetti, Ishikura, Kikuchi, Sato, Cianchi & Bullini, 1998

Includes P. decipiens C auct. [details]

 Taxonomy

 for Contracaecum osculatum (Rudolphi, 1802) Baylis, 1920

Many records include C. osculatum A auct.; C. osculatum B auct.; and C. osculatum C auct. [details]

 Validity

 for Hysterothylacium magnum (Smedley, 1934) Deardorff & Overstreet, 1981

Requires re-assessment. [details]

 Validity

 for Hysterothylacium melanogrammi (Smedley, 1934) Deardorff & Overstreet, 1981

The validity of this species requires re-assessment [details]