Crassispira balnearum is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.MNHN, Paris: Crassispira balnearum
Distribution Fossils have been found in Eocene in Pyrénées-Atlantiques, France
References
Boussac, Jean. Etudes stratigraphiques et paleontologiques sur le nummulitique de Biaritz. 1911.