Folin, L. de. (1880). On the Mollusca of H.M.S. 'Challenger' Expedition.--The Caecidae, comprising the genera Parastrophia, Watsonia, and Caecum. Proceedings of the Zoological Society of London. 1879: 806-812.
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Folin, L. de
1880
On the Mollusca of H.M.S. 'Challenger' Expedition.--The Caecidae, comprising the genera <i>Parastrophia</i>, <i>Watsonia</i>, and <i>Caecum</i>