Sowerby, J. 1829. The Mineral Conchology of Great Britain; or Coloured Figures and Descriptions of those Remains of Testaceous Animals or Shells, which have been preserved at various times and depths in the Earth 6. 250 pp. Available electronically.
Sowerby, 1829. Mineral Conchology 6: 190, pl. 595, fig. 2.
Sowerby, 1829. Mineral Conchology 6: 190, pl. 594, figs. 3-5.
Sowerby, 1829. Mineral Conchology 6: 189, pl. 594, fig. 2.
Sowerby, 1829. Mineral Conchology 6: 191, pl. 595, fig. 1.
Sowerby, 1829. Mineral Conchology 6: 189, pl. 594, fig. 1.