Habe, T. (1961). A new subspecies of <i>Katayama formosana</i> (Pilsbry & Hirase) from, Yonakunijima, Yaeyama Group of Kyukyu Archipelago. <em>Venus.</em> 21: 278-281.[details]
original descriptionHabe, T. (1961). A new subspecies of <i>Katayama formosana</i> (Pilsbry & Hirase) from, Yonakunijima, Yaeyama Group of Kyukyu Archipelago. <em>Venus.</em> 21: 278-281.[details]