Five gastropod taxa of the family Neritidae in the Ypresian and Bartonian (Eocene) of the Paris and Basse-Loire Basins, are introduced: Cuisenerita gen. nov., Tomostoma angusta sp. nov., Nerita gouetensis sp. nov., Clithon barbei sp. nov., Neritodryas guillioui sp. nov. and Cuisenerita tuberosa sp. nov. New combinations introduced are: Neritodryas dutemplei (Deshayes, 1864) and Neritodryas globosa (J. de C. Sowerby, 1823). This is the earliest record of Neritodryas and the first record for this genus from Europe.
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