Ampithoe dentata Say, 1818 accepted as Crangonyx serratus (Embody, 1911) (source of synonymy)
Crangonyx anomalus Hubricht, 1943 (additional source)
Crangonyx minor Bousfield, 1958 (original description)
Crangonyx obliquus (Hubricht & Mackin, 1940) (additional source)
Crangonyx paxi Schellenberg, 1935 (original description)
Crangonyx pseudogracilis Bousfield, 1958 (original description)
Crangonyx richmondensis laurentianus Bousfield, 1964 accepted as Crangonyx richmondensis Ellis, 1941 (original description)
Crangonyx richmondensis occidentalis Hubricht & Harrison, 1941 accepted as Crangonyx occidentalis Hubricht & Harrison, 1941 accepted as Crangonyx richmondensis Ellis, 1941 (new combination reference)
Crangonyx richmondensis richmondensis Ellis, 1941 accepted as Crangonyx richmondensis Ellis, 1941 (new combination reference)
Crangonyx rivularis Bousfield, 1958 (original description)
Crangonyx setodactylus Bousfield, 1958 (original description)
Crangonyx shoemakeri (Hubricht & Mackin, 1940) (additional source)
Paramoera carlottensis Bousfield, 1958 (original description)
Paramoera columbiana Bousfield, 1958 (original description)

Holotype CMN, geounit Ontario, identified as Crangonyx setodactylus Bousfield, 1958
Allotype CMN, geounit Ontario, identified as Crangonyx setodactylus Bousfield, 1958
Holotype CMN, geounit Ontario, identified as Crangonyx minor Bousfield, 1958
Allotype CMN, geounit Ontario, identified as Crangonyx minor Bousfield, 1958
Paratype CMN, geounit Ontario, identified as Crangonyx minor Bousfield, 1958
Paratype CMN, geounit Ontario, identified as Crangonyx setodactylus Bousfield, 1958

 Habitat

 for Crangonyx shoemakeri (Hubricht & Mackin, 1940)

Stygophile: temporary pools and ponds (often with grassy bottoms), springs, small streams, and bogs [details]

 Type specimen

 for Eucrangonyx shoemakeri Hubricht & Mackin, 1940

Cotypes belong to more than one species. [details]