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Ediacaran

   Also found in: Wikipedia 0.07 sec.
E·di·a·ca·ran  (d-äk-rn)
adj.
Of or relating to a soft-bodied marine organism of the Precambrian Era, thought to be the earliest multicellular form of life.
[After the Ediacara Hills in southern Australia, where the first such fossils were found.]
Ediacaran  (d-äk-rn)
Relating to a group of fossilized organisms that are the earliest known remains of multicellular life. They are soft-bodied marine life forms that date from between 560 and 545 million years ago, during the late Precambrian Eon.
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Creatures with multiple frondlike structures lived at least 20 million years earlier, during the Ediacaran period, the interval that immediately preceded the Cambrian.
Remains may be an evolutionary relic by Science News
The scale's newcomer--dubbed the Ediacaran (eedee-AH-kah-ren) Period--represents the time when scientists believe the first soft-bodied animals appeared on Earth.
Rocky road by Carswell, Lindsay / Science World
It may have even spurred a tremendous bloom of evolutionary innovation known as the Ediacaran fauna (SN: 5/18/96, p.
Warm band may have girdled snowball Earth by Weiss, P. / Science News
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