The rediscovery in the Copenhagen museum of type material of Buccinum zebra O.F. Müller, 1774 enables us to resolve its status after more than two centuries, with the designation of a lectotype. It confirms the earlier suggestion of Rehder that this taxon is identical to Orthalicus maracaibensis L. Pfeiffer, 1856, which thus becomes a junior subjective synonym of Müller’s taxon. Zebra gruneri Strebel, 1909 is now also placed in the synonymy of Orthalicus zebra (O.F. Müller, 1774). We also provide a note on the material of Buccinum fasciatum var. α O.F. Müller, 1774, corresponding to the nominate Liguus fasciatus (O.F. Müller, 1774). Finally type material of Helix exilis O.F. Müller, 1774 was found, enabling us to identify it as Ariophanta exilis (O.F. Müller, 1774), with Nanina bistrialis H. Beck, 1837 as a junior synonym (new synonymy).

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Nederlandse Malacologische Vereniging

A.S.H. Breure, J.D. Ablett, A.G. Guillén, & H.G. Lee. (2021). The rediscovery of Müller’s type material: resolution of the status of Buccinum zebra O.F. Müller, 1774, with additional notes on Buccinum fasciatum O.F. Müller, 1774 and Helix exilis O.F. Müller, 1774 (Mollusca, Gastropoda, Orthalicidae, Ariophantidae). Basteria, 85(2), 109–115.
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