Ostertagia Ransom, 1907

Ostertagia antipini Matschulsky, 1950

Ostertagia arctica Mitzkewitsch, 1929

Ostertagia buriatica Konstantinowa, 1933

Ostertagia circumcincta (Stadelmann, 1894)

Ostertagia dahurica Orloff, Belowa & Gnedina, 1931

Ostertagia drozdzi Jancev, 1977

Ostertagia gruehneri Skrjabin, 1929

Ostertagia kolchida Popova, 1937

Ostertagia lasensis Asadov, 1953

Ostertagia leptospicularis Asadov, 1953

Ostertagia lyrata Sjöberg, 1926

Ostertagia lyrataeformis (Drozdz, 1965)

Ostertagia mossi Dikmans, 1931

Ostertagia murmani Tachistov, 1940

Ostertagia nemorhaedi Schults & Kadenatsii, 1950

Ostertagia orloffi Sankin, 1930

Ostertagia ostertagi (Stiles, 1892)

Ostertagia pinnata Daubney, 1933

Ostertagia skrjabini (Schulz, Andreeva & Kadenatsii in Schulz Skrjabin, Shikhobalova & Schults, 1954)

Ostertagia trifurcata Ransom, 1907