candidula, Tricolia [ Tricolia tenuis (Michaud, 1829)] (Figures 2A, B)

1917: 11, add. figs to pl. I, fig. 33 [LXVII: 1285]—available name

Type material. MCZR–M–10745 —4 sh “Trap.” “ Tricoliella candidula Monts ”.

Type locality. Described from Trapani (Sicily).

Remarks. The species was described in a paper on the molluscs from Tripolitania (Libya), yet Monterosato (1917: 11) wrote that it was not found there, but rather it was not rare at Trapani (Western Sicily), and figured (1917: add. figs to pl. I, fig. 33) a shell from Trapani. Recorded by MolluscaBase (2018) as a synonym of Tricolia tenuis (Michaud, 1829) .

dubia, Eudora [ Tricolia pullus picta (da Costa, 1778)] (Figures 2C, D)

1889c: 31 [XXXV: 863]—available name

Type material. MCZR –M–10723 —6 sh “ E. dubia dal Marocco a Casa Blanca”// 6 sh “Casa Blanca (Maroc)”. Label on the bottom “ Eudora dubia Monts Casa Blanca (Maroc) ”

Type locality. Described from Casablanca (Morocco).

Remarks. A synonym of Tricolia pullus picta (da Costa, 1778), according to Gofas (1982: 189). Recorded by MolluscaBase (2018) as a synonym of Tricolia pullus picta (da Costa, 1778).