Wood, S.V. (1877). A monograph of the Eocene Cephalopoda and Univalves of England. Part IV. Pulmonata and Prosobranchiata Palaeontographical Society Monograph. 31: 331-361, pl. 34
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Wood, S.V.
1877
A monograph of the Eocene Cephalopoda and Univalves of England. Part IV. Pulmonata and Prosobranchiata