Ernest Ruthven Sykes

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Ernest Ruthven Sykes (1867-1954) was a malacologist from Great Britain.Coan E. V., Kabat A. R. & Petit R. E. (15 February 2009). [http://www.malacological.org/publications/2400_malacology.html 2,400 years of malacology, 6th ed.] {{Webarchive|url=https://web.archive.org/web/20181005154552/http://www.malacological.org/publications/2400_malacology.html |date=5 October 2018 }}, 830 pp. & 32 pp. [Annex of Collations]. American Malacological Society

He married Gladys, who was a daughter of his malacological colleague James Cosmo Melvill.

He published 99 malacological articles.Rees W. J. (1962). "ERNEST RUTHVEN SYKES (1867-1954)". Journal of the Society for the Bibliography of Natural History. 4(1): 20-27. {{doi|10.3366/jsbnh.1962.4.1.20}}.