Westonoceras manitobense (FOSSIL) (J.J.F. Whiteaves,1890 †) Canada, Manitoba, Division No. 19
Westonoceras minnesotense (FOSSIL) (A.H. Clarke, 1897 †) Minnesota
Westonoceras nelsonense (FOSSIL) Foerste, 1929 † Canada, Hudson Bay
Westonoceras ornatum (FOSSIL) (Troedsson, 1926 †) Canada, Baffin Island
Westonoceras ortoni (FOSSIL) (F.B. Meek, 1872 †) Ohio, Cincinnati
Westonoceras osloense (FOSSIL) E. Strand, 1934 † Norway, Oslo
Westonoceras putnami (FOSSIL) Foerste, 1928 † Canada, Baffin Island
Westonoceras rnanitobense (FOSSIL) (J.J.F. Whiteaves,1890 †) Canada, Manitoba
Westonoceras sinclairi (FOSSIL) Flower, 1952 † Canada, Quebec
Westonoceras ventricosum (FOSSIL) (S.A. Miller, 1875 †) Ohio, Cincinnati
Winnipegoceras bighornense (FOSSIL) (Miller & Carrier,1942 †) USA, Wyoming, Big Horn
Winnipegoceras fragmentaricum (FOSSIL) E. Strand, 1934 † Panama, Colón
Winnipegoceras laticurvatum (FOSSIL) (J.J.F. Whiteaves,1897 †) Canada, Manitoba, Division No. 23
Winnipegoceras latum (FOSSIL) (Troedsson, 1926 †) Greenland
Winnipegoceras obesum (FOSSIL) Flower, 1952 † Canada, Quebec
Winnipegoceras reclinatum (FOSSIL) (Troedsson, 1926 †) Canada, Manitoba
Winnipegoceras royi (FOSSIL) Miller, Youngquist& Collinson, 1954 † Canada, Manitoba
Winnipegoceras sinclairi (FOSSIL) Flower, 1952 † Canada, Quebec
Winnipegoceras youngquisti (FOSSIL) Flower, 1952 † Canada, Manitoba