Pelagic Molluscs 2.0: On the marine Mollusca of Madeira; with descriptions of thirty-five new species, and an index-list of all the known seadwelling species of that island. J. linn. Soc. London Zool. 26: 233-329, pls 19-20.

Authors(s)	Watson, R. B.
Year	1898
Title	On the marine Mollusca of Madeira; with descriptions of thirty-five new species, and an index-list of all the known seadwelling species of that island. J. linn. Soc. London Zool. 26: 233-329, pls 19-20.