Yen, T.-C. (1949). Review of Palaeozoic non-marine gastropods and description of a new genus from the Carboniferous rocks of Scotland. Proceedings of the Malacological Society of London. 27(6): 235-240.
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Yen, T.-C.
1949
Review of Palaeozoic non-marine gastropods and description of a new genus from the Carboniferous rocks of Scotland
Proceedings of the Malacological Society of London