heterochronic

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het·e·ro·chron·y

 (hĕt′ə-rō-krŏn′ē)
n.
A change or set of changes in the timing or duration of an organism's ontogenetic development compared with an ancestral species, resulting in morphological differences between ancestor and descendant.

[hetero- + Greek khronos, time + -y.]

het′e·ro·chron′ic, het′e·ro·chron′ous adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heterochronic

(ˌhɛtərəʊˈkrɒnɪk) or

heterochronous

adj
(Biology) biology occurring at different times or stages
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Exploring the temporal structure of heterochronous sequences using TempEst (formerly Path-O-Gen) [cited 2018 Oct 5].
The temporally and spatially elusive world that Marco tantalizingly weaves before the readers by referring to the enigmatic journey of the traveler to the new city is truly 'heterochronous'--to use a fashionable Bakhtinian terminology which has been quite in the vogue since the days of its inception.
Although the incidence of vulvar EMPD is rare, several reports described heterochronous development of EMPD in the vulva and MPD [5], even synchronous development of EMPD of the vulva and MPD lesions [6-9].
The Utrillas Formation is a highly heterochronous unit composed of a pile of clastic wedges that ranges in age from the Albian to the Campanian (Gil et al., 2004).
With the exception of several probably heterochronous, stratigraphically and geographically restricted horizons, the dark shales of the Sarka Formation are usually quite sparsely fossiliferous.
Sections theorize on bird evolution as driven by heterochronous developmental pathways, and discuss cranial kinesis.