. . . "* Stenotrema burringtoni (Grimm, 1971)" . . "* Polygyra (Stenotrema) hirsutum (Say, 1817) (unaccepted combination)" . . "Stenotrema calvescens" . "* Helix porcina (Say, 1824)" . "* Helix hirsuta (Say, 1817)" . . . "* Helix (Stenotrema) hirsuta (Say, 1817) (unaccepted combination)" . . "Stenotrema calvescens" . "* Polygyra hirsuta (Say, 1817) (unaccepted combination)" . . . . "* Polygyra hirsuta nana (Richards, 1934) \u00B7 unaccepted (nomen nudum)" . . "* Polygyra hirsuta var. yarmouthensis (F. C. Baker, 1927) (\u00B7 unaccepted)" . .