Template:Sowerby, 1846b
- Sowerby, G.B. 1846. Appendix to Part II: Description of the Tertiary fossil shells from South America, 605-627. In Darwin, C. (ed.), Geological Observations on the Volcanics Islands and Parts of South America Visited During the Voyage of H.M.S. ‘‘Beagle.’’ Appleton, London. BHL