Raphitoma grimmertingenensis is an extinct species of sea snail, a marine gastropod mollusc in the family Raphitomidae.
Distribution Fossils of this extinct marine species were found in Early Oligocene strata in Belgium
References
Marquet, R., J. Lenaerts, and J. Laporte. "A systematic study of the Gastropoda (Mollusca) of the Grimmetingen Sand Member (Early Oligocene) in Belgium." Palaeontos (2016).