Ediacaran Organisms from North America

See images from the:

		Quaternary
		Tertiary
		Cretaceous
		Jurassic
		Triassic
		Permian
		Carboniferous
		Devonian
		Silurian
		Ordovician
		Cambrian
		Precambrian

Pteridinium carolinaensis
From the Precambrian in North Carolina
© 1984 Gail G. Gibson