Simnialena is a genus of sea snails, marine gastropod mollusks in the family Ovulidae.

Species Species within the genus Simnialena include: Simnialena acuminata (Sowerby II in A. Adams & Reeve, 1848) Simnialena ilhabelaensis Fehse, 2001 Simnialena marferula Cate, 1973 Simnialena rufa (Sowerby II, 1832) Simnialena uniplicata (Sowerby II, 1849)

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