Sowerby, J. de C. 1840. Fossil shells from the coal-measures described and engraved by Mr. James de Carle Sowerby, F.L.S. [in] Prestwich, J. The Geology Of Coalbrook Dale. Tr. Geol. Soc. London 5: pls. 39-40. https://www.biodiversitylibrary.org/page/36236109.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 4.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 7.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 12.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 13.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 9. [nomen dubium]
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 10.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 8.
(homonym of Unio phaseolus Hildreth, 1828)
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 11.
J. de C. Sowerby, 1840. Tr. Geol. Soc. London 5: pl. 39, fig. 14.