intermedius, Pecten [ Pecten jacobaeus (Linnaeus, 1758)] (Figures 35C, D)

1899: 186, fig. 3 [L: 1126, fig. 3]—available name

Type material. MCZR–M–13713 —3 sh “ P. intermedius Monts. Esemplari coloriti dell’Adriatico. Altri più grandi di Palermo?”

Type locality. Described from Istria, Veglia and Quarnero (Croatia), Palermo (Sicily), Roussillon (France).

Remarks. Introduced by means of an original figure (a black and white drawing), without any description. Recorded by MolluscaBase (2018) as a synonym of Pecten jacobaeus (Linnaeus, 1758) .

liburnicus, Proteopecten (ex Stossich ms.) [ Flexopecten glaber (Linnaeus, 1758)] (Figures 35E, F)

1899: 188, figs 4, 5 [L: 1128, figs 4, 5]—available name

Type material. MCZR –M–13779 —1 sh “ P. (Protopecten) liburnicus, Stoss. Narenta—Istria ”, “ Tipo di Monts. figurato nel Journ. de Conchyliologie 1899, p.”

Type locality. Described from Narenta (Croatia).

Remarks. Recorded by MolluscaBase (2018) as taxon inquirendum. The single shell found in the Monterosato collection (albeit not the one used for the original drawing), belongs to Flexopecten glaber (Linnaeus, 1758) [new synonymy]. The genus Proteopecten was introduced in the same paper.