The Avalon explosion, named from the Precambrian faunal trace fossils discovered on the Avalon Peninsula in Newfoundland, eastern Canada, is a proposed evolutionary radiation of prehistoric animals ab
Dickinsonia, an enigmatic quilted organism with glide symmetry which may have been an early animal
Cloudina may have been one of the first mineralized animals to appear, although its life appearance and evolutionary affinities remain unknown.
Kimberella is an enigmatic fossil that has been interpreted as a cubozoan cnidarian, or as an early mollusc, but its identity is still unclear.
The Ediacaran trace fossils are a sign of animal movement as well as sediment disturbance, they show possible signs of the earliest true animals.
The Precambrian is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the Phanerozoic Eon,
Avalon explosion
…The Avalon explosion, named from the Precambrian faunal trace fossils discovered on the Avalon Peninsula in Newfoundland, eastern Canada, is a proposed evolutionary radiation of prehistoric animals…
Weathered Precambrian pillow lava in the Temagami Greenstone Belt of the Canadian Shield
Landmass positions near the end of the Precambrian[citation needed][original research?]