Type material of taxa described by Henri Drouët in 1859 from French Guiana and Martinique has never been located. Correspondence between Drouët and Crosse reveals that this material came into the possession of Crosse in 1883. After his death in 1898 his collection was auctioned and this type material has been dispersed to unknown collections.

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Nederlandse Malacologische Vereniging

A.S.H. Breure, & W. Backhuys. (2017). Type material of Drouët’s molluscan taxa described from French Guiana and Martinique. Basteria, 81(1-3), 24–26.