- having or involving many or several types.
Origin of polytypic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for polytypic
A discussion of the polytypic species, Hypopachus oxyrrhinus, with a description of a new subspecies.The Amphibians and Reptiles of Michoacn, Mxico
William E. Duellman
Isolation of some sort seems necessary to polytypic evolution.Darwin, and After Darwin (Vol 3 of 3)
George John Romanes
Duellman reviewed the species of the genus occurring in western Mxico and concluded that there were five species (two polytypic).
Darwin was, therefore, of opinion that natural selection is able to bring about polytypic evolution.The Making of Species
In polytypic species, the diagnosis of a subspecies is designed only to distinguish it from other subspecies of that species.
- existing in, consisting of, or incorporating several different types or forms
- biology (of a taxonomic group) having many subdivisions, esp (of a species) having many subspecies and geographical races
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- Having several variant forms, especially subspecies or varieties.
- Having several variant forms, especially containing more than one taxonomic category of the next lower rank. A polytypic genus contains two or more different species, while a polytypic species consists of two or more subspecies. Compare monotypic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.