Thraciidae Stoliczka, 1870
Asthenothaerus colpoicus (Dall, 1915)
Asthenothaerus diegensis (Dall, 1915)
Asthenothaerus hemphilli Dall, 1886
Asthenothaerus maxwelli B.A. Marshall, 2002
Asthenothaerus rushii (Pilsbry, 1897)
Asthenothaerus villosior Carpenter, 1864
