• Astarte (Tridonta) Schumacher, 1817 accepted as Tridonta Schumacher, 1817
• Astarte (Tridonta) alaskensis Dall, 1903 accepted as Tridonta elliptica (T. Brown, 1827)
• Astarte (Tridonta) alaskensis alaskensis Dall, 1903 accepted as Tridonta elliptica (T. Brown, 1827)
• Astarte (Tridonta) alaskensis shinadae Kanno, 1962 accepted as Tridonta elliptica (T. Brown, 1827)
• Astarte (Tridonta) borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817
• Astarte (Tridonta) borealis borealis (Schumacher, 1817) accepted as Tridonta borealis Schumacher, 1817
• Astarte (Tridonta) borealis sibirica (Deryugin, 1932) accepted as Tridonta borealis Schumacher, 1817
• Astarte (Tridonta) borealis var. placenta Mörch, 1869 accepted as Tridonta borealis Schumacher, 1817
• Astarte (Tridonta) filatovae T. Habe, 1964 accepted as Astarte filatovae T. Habe, 1964 accepted as Astarte crenata (J. E. Gray, 1824)
• Astarte (Tridonta) rollandii Bernardi, 1859 accepted as Tridonta arctica (J. E. Gray, 1824)
• Astarte (Tridonta) rollandii kurilensis Petrov, 1982 accepted as Tridonta arctica (J. E. Gray, 1824)
• Astarte (Tridonta) rollandii rollandii Bernardi, 1859 accepted as Tridonta arctica (J. E. Gray, 1824)
• Astarte (Tridonta) rollandii var. loxia Dall, 1903 accepted as Tridonta arctica (J. E. Gray, 1824)
• Astarte (Tridonta) semisulcata (Leach, 1819) accepted as Tridonta borealis Schumacher, 1817
• Tridonta Schumacher, 1817
• Tridonta acuticostata (Friele, 1877)
• Tridonta alaskensis (Dall, 1903) accepted as Tridonta elliptica (T. Brown, 1827)
• Tridonta arctica (J. E. Gray, 1824)
• Tridonta borealis Schumacher, 1817
• Tridonta borealis borealis Schumacher, 1817 accepted as Tridonta borealis Schumacher, 1817
• Tridonta borealis placenta Mörch, 1869 accepted as Tridonta borealis Schumacher, 1817
• Tridonta borealis var. placenta (Mörch, 1869) accepted as Tridonta borealis Schumacher, 1817
• Tridonta cagnii Pollonera, 1901 accepted as Tridonta arctica (J. E. Gray, 1824)
• Tridonta cavalli Pollonera, 1901 accepted as Tridonta borealis Schumacher, 1817
• Tridonta domburgensis A. W. Janssen & van der Slik, 1974 †
• Tridonta elliptica (T. Brown, 1827)
• Tridonta montagui (Dillwyn, 1817)
• Tridonta rollandi (Bernardi, 1859) † accepted as Tridonta arctica (J. E. Gray, 1824)
• Tridonta triangularis (Montagu, 1803) accepted as Goodallia triangularis (Montagu, 1803)
• Tridonta warhami (Hancock, 1846)
• Tridonta zelandica A. W. Janssen & van der Slik, 1974 accepted as Tridonta elliptica (T. Brown, 1827)
• Tridontaster Koehler, 1920 accepted as Acodontaster Verrill, 1899
• Tridontaster laseroni Koehler, 1920 accepted as Acodontaster hodgsoni (Bell, 1908)