Isotriphora bilineata Kosuge, 1962

Isotriphora bilineata Kosuge, 1962b: 79, pl. 10, fig. 5, textfig. 4.

Litharium bilineata (Kosuge, 1962) — Habe & Kosuge 1966: 105, pl. 41, fig. 10.

Type locality. Japan, Ogokuda, Shiono –misaki, Kii Peninsula .

Type material. NSMT-Mo 13034, holotype .

Distribution. Hawaii (Hemmes & Goldsmith 1986), Japan (Kosuge 1962b; Higo et al. 1999; Okutani 2000; Higo et al. 2001; Okutani 2017).