How to Pronounce John Gwyn Jeffreys
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Jan 18, 1809 Swansea, Wales, United Kingdom Died on 21 Jan 1885 (aged 76)
Welsh conchologist and malacologist
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About John Gwyn Jeffreys
- John Gwyn Jeffreys FRS (18 January 1809 – 21 January 1885) was a British conchologist and malacologist.
