Benson, W. H. (1853). Descriptions of species belonging to the genera Pterocyclos and Cyclostoma from Ceylon and west Australia. Annals and Magazine of Natural History, Series 2. 11(62): 105-106.
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Benson, W. H.
1853
Descriptions of species belonging to the genera <i>Pterocyclos</i> and <i>Cyclostoma</i> from Ceylon and west Australia.