Euryale lissa is a fossil species of Euryale from the Pliocene of Brunssum, Limburg Province, Netherlands[1] and from Höchst, Germany.

[4] The surface of the seed is smooth[2] or has a finely granulate texture.

[4][1] It has been proposed to place it in a separate genus Pseudoeuryale P.I.

as Pseudoeuryale lissa (C. Reid, E. Reid) Doweld published by Alexander Borisovitch Doweld in 2022.

[7] It is known from the type locality Brunssum, Limburg Province, Netherlands,[1] and from Höchst, Germany.