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diphyletic

[dahy-fahy-let-ik]
adjective Biology.
  1. of or relating to a taxonomic group of organisms derived from two separate ancestral lines.
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Origin of diphyletic

First recorded in 1900–05; di-1 + phyletic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for diphyletic

diphyletic

adjective
  1. relating to or characterized by descent from two ancestral groups of animals or plants
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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