lignaria, Mactra [ Mactra stultorum (Linnaeus, 1758)] (Figures 37C, D)

1878c: 73 [XIX: 387]—as M. corallina var. lignaria, nomen nudum

1917: 8 [LXVII: 1282]—available name

Type material. MCZR –M–19665 —1 sh “ M. lignaria Monts typ. Napoli!”// 3 sh “juv. Napoli” MCZR –M–19647 —7 sh + 1v dx + 1 frg “iuvenis M. lignaria var. alba Napoli ”

MCZR–M–19670 —14 sh + 4 v sx “ M. lignaria, M. coll. Tiberi come M. stultorum Napoli ”// 1 sh “Napoli Staz. Zool.”

Type locality. Described from Gulf of Napoli (Italy).

Remarks. Recorded by MolluscaBase (2018) as a synonym of Mactra stultorum (Linnaeus, 1758) .