Hislop, S. 1860. Description of fossil shells, from the above-described deposits. Quarterly Journal of the Geological Society of London 16: 166-181. Available electronically.
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 175, pl. 7, fig. 28.
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 174, pl. 6, 25.
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 175, pl. 7, figs, 27a-c.
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 174.
(new name for Unio tumida Sowerby in Malcolmson, 1840)
Hislop, 1860. Quart. Jour. Geol. Soc. London 16: 175, pl. 7, fig. 26.