On fucoides in the coal formations Lesquereux, Léo, 1806-1889 creator text book n.p 1866 1866
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ENG Vol. XIII - 40. Article X. read May 1866. Algae, Fossil Carboniferous Paleobotany Palaeont L GERSTM https://www.biodiversitylibrary.org/bibliography/17913 10.5962/bhl.title.17913 OTU