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Related to heterochrony: Hypermorphosis


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.
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References in periodicals archive ?
Non-heterochronic developmental changes underlie morphological heterochrony in the evolution of the Ardeidae.
Heterochrony and modularity in the degeneration of maxillopodan nauplius eyes.
Keywords: Postmodernism, temporality, chronology, heterochrony, pluritemporality.
Highlighting heterochrony, excavating subaltern and peripheral histories, and espousing a materialism that retains little if any association with Marxism, the catalogue texts (there are dozens) have an irreproachable quality.
heterotypy, heterochrony, heterometry, and heterotopy) supplement and extend the Modern Synthesis, but symbiotic and epigenetic contributions could be more revolutionary (p.
Heterochrony helped dethrone recapitulation as biology's grand narrative, undermining the scientific justification of old hierarchies and prejudices.
Heterochrony during skeletal development of Pseudis platensis (Anura, Hylidae) and the early offset of skeleton development and growth.
Evolutionary systematics and heterochrony in Abrothrix species (Rodentia: Cricetidae).
Heterochrony is the umbrella term for protracted juvenilism and accelerated adulthood.
Directional macroevolution of the diplograptid of the diplograptacean graptolites: a product of astogenetic heterochrony and directed speciation.