Figure 20 in Evolution of Janthina and Recluzia (Mollusca: Gastropoda: Epitoniidae)

Figure 20. Janthina fossil localities in Japan. Symbols: ▲ Janthina chavani;  Pliocene records of Janthina typica; , late Miocene records of Janthina typica. Localities: (1) Hatsuzaki, Hitachi City, Ibaragi Prefecture, Honshu; Hitachi Fm, Gelasian (J. chavani); (2) Okumotona, Chiba Prefecture, Honshu; Senhata Conglomerate, Messinian (J. typica); (3) Osozawa, Yamanashi Prefecture, Honshu; Osozawa Member of Akebono Fm, Zanclean (J. typica); (4) Iida, Shizuoka Prefecture, Honshu; Dainichi Fm, Gelasian (J. chavani, type locality of Parajanthina japonica); (5) Tombe and Nito, Kakegawa City, Shizuoka Prefecture, Honshu; Hijikata Fm, early Calabrian (J. chavani); (6) Tamari, Kakegawa City, Shizuoka Prefecture, Honshu; Tamari Fm, Zanclean (J. typica); (7) Tonohama, Kochi Prefecture, Shikoku; Ananai Fm, Gelasian (J. chavani); (8) Shimoyamaji, Saito City, Miyazaki Prefecture, Kyushu; Tsuma Fm, early Zanclean (J. typica); (9) Hioki, Miyazaki Prefecture, Kyushu; Takanabe Fm, late Piacenzian (J. chavani); (10) Tano, Miyazaki Prefecture, Kyushu; Tano Fm, Messinian (J. typica, type locality of Hartungia elegans).