Triforis crassula Martens, 1880

Triforis crassula Martens, 1880: 282, pl. 22, fig. 1.

Trifora crassula Martens, 1880 — Viader 1937: 43.

Triphora crassula Martens, 1880 — Kuroda & Habe 1952: 91.

Notosinister crassulus (Martens, 1880) — Kosuge 1962b: 88, pl. 9, fig. 4.

Mastonia crassulus (Martens, 1880) — Kosuge 1963b: 261, pl. 18, fig. 7.

Mastonia crassula (Martens, 1880) — Kuroda et al. 1971: 267, pl. 113, fig. 9.

Type locality. Mauritius .

Type material. ZMB /Moll no. 31774a, lectotype . ZMB /Moll no. 31774b–e, paralectotypes .

Distribution. Japan (Kuroda & Habe 1952; Kosuge 1962b; Kosuge 1963b; Kuroda et al. 1971), Mauritius (Martens 1880; Tryon 1887; Paetel 1888; Viader 1937; Kosuge 1962b; Kosuge 1963b; Albano & Bakker 2016), Micronesia (Kurozumi & Asakura 1994), Taiwan (Kosuge 1963b).

Remarks. Lectotype designation by Albano & Bakker (2016).