Actaeon tornatilis var. nipponensis Yamakawa, 1911 † accepted as Japonactaeon nipponensis (Yamakawa, 1911) (original description)
Acteon tornatilis nipponensis Yamakawa, 1911 † accepted as Japonactaeon nipponensis (Yamakawa, 1911) (original description)
Bullinella striata Yamakawa, 1911 accepted as Cylichnatys angusta (A. A. Gould, 1859) (original description)
Cylichna sibaensis Yamakawa, 1911 † accepted as Pyrunculus phialus (A. Adams, 1862) (original description)
Retusa minima Yamakawa, 1911 (original description)
Tornatina longispirata Yamakawa, 1911 † accepted as Retusa longispirata (Yamakawa, 1911) (original description)
Volvular [sic] accepted as Volvula A. Adams, 1850 accepted as Volvulella R. B. Newton, 1891 (basis of record)
Volvular artiaperta Yamakawa, 1911 † accepted as Volvulella eburnea (A. Adams, 1850) (original description)

Honshu for Bullinella striata Yamakawa, 1911 
Honshu for Cylichna sibaensis Yamakawa, 1911 † 
Honshu for Retusa minima Yamakawa, 1911 
Honshu for Volvular artiaperta Yamakawa, 1911 † 
Japan for Tornatina longispirata Yamakawa, 1911 †