Astarte acuticostata Friele, 1877
Astarte arctica (J. E. Gray, 1824) accepted as Tridonta arctica (J. E. Gray, 1824)
Astarte borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817
Astarte castanea (Say, 1822) accepted as Isocrassina castanea (Say, 1822)
Astarte crenata (J. E. Gray, 1824)
Astarte elliptica (T. Brown, 1827) accepted as Tridonta elliptica (T. Brown, 1827)
Astarte montagui (Dillwyn, 1817) accepted as Tridonta montagui (Dillwyn, 1817)
Astarte subaequilatera G. B. Sowerby II, 1854
Astarte undata A. Gould, 1841
Isocrassina castanea (Say, 1822)
Tridonta arctica (J. E. Gray, 1824)
Tridonta borealis Schumacher, 1817
Tridonta elliptica (T. Brown, 1827)
Tridonta montagui (Dillwyn, 1817)