MolluscaBase name details
original description
Murchison, R. I. (1839). The Silurian system, founded on geological researches in the counties of Salop, Hereford, Radnor, Montgomery, Caermarthen, Brecon, Pembroke, Monmouth, Gloucester, Worcester, and Stafford : with descriptions of the coalfields and overlying formations. [Book, 3 volumes, vol 1 by Murchison] John Murray, Albemarle Street., available online at http://www.biodiversitylibrary.org/bibliography/88029#/summary
page(s): 604, pl. 3, figs 7b, 8 [details]