Marquet R., Lenaerts J. & Laporte J. (2016). A systematic study of the Gastropoda (Mollusca) of the Grimmertingen Sand Member (early Oligocene) in Belgium. Palaeontos. 29: 1-159.
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Marquet R., Lenaerts J. & Laporte J.
2016
A systematic study of the Gastropoda (Mollusca) of the Grimmertingen Sand Member (early Oligocene) in Belgium