Traits taxon details
original description
(of Unio gualterii J. De C. Sowerby, 1836 †) Sowerby, James de Carle. (1836). Descriptive notes respecting the shells figured in Plates XI to XXIII. In: Fitton, W.H. Observations on some of the strata between the Chalk and the Oxford Oolite, in the South-east of England. <em>Transactions of the Geological Society of London, ser. 2.</em> 4(2): 335-349 (Appendix A)., available online at https://www.biodiversitylibrary.org/page/36206436 page(s): 346, pl. 21, fig. 16 [details]
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