Symonds, M.F. (2009). The Neritopsidae and the Neritidae of the Bracklesham Group (Early and Middle Eocene) of the Hampshire Basin. Cainozoic Research. 6(1-2): 37-51.
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Symonds, M.F.
2009
The Neritopsidae and the Neritidae of the Bracklesham Group (Early and Middle Eocene) of the Hampshire Basin