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Echinobase
ECB-ART-48158
Heredity (Edinb) 2006 Sep 01;973:244-52. doi: 10.1038/sj.hdy.6800866.
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The active evolutionary lives of echinoderm larvae.

Raff RA , Byrne M .


Abstract
Echinoderms represent a researchable subset of a dynamic larval evolutionary cosmos. Evolution of echinoderm larvae has taken place over widely varying time scales from the origins of larvae of living classes in the early Palaeozoic, approximately 500 million years ago, to recent, rapid and large-scale changes that have occurred within living genera within a span of less than a million years to a few million years. It is these recent evolutionary events that offer a window into processes of larval evolution operating at a micro-evolutionary level of evolution of discrete developmental mechanisms. We review the evolution of the diverse larval forms of living echinoderms to outline the origins of echinoderm larval forms, their diversity among living echinoderms, molecular clocks and rates of larval evolution, and finally current studies on the roles of developmental regulatory mechanisms in the rapid and radical evolutionary changes observed between closely related congeneric species.

PubMed ID: 16850040
Article link: Heredity (Edinb)


Genes referenced: ago1b LOC115925415 span