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1. One of two or more biological specimens or other elements used for the original published description of a species or subspecies when no holotype was designated.
2. One of two or more biological specimens or other elements simultaneously designated as type specimens in the original published description of a species or subspecies.
syn·typ′ic (-tĭp′ĭk) adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
cotypeany specimen of a series, in which no HOLOTYPE was designated, that is used to designate a species. The syntype may become the LECTOTYPE, if so designated.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005