E·di·a·ca·ran  (ē'dē-ä'kə-rən)  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 (ē'dē-ä'kə-rən) Pronunciation Key
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. |