-
542
Palezoic/ Cambrian
-
542
Palezonic/ Cambrian
Fossils from this time survived and most modern phyla ( broadest groupings of animals and plants) appeared including the first chordates (ancestors of vertebrates) -
542
Palezoic/ Cambrian
Trilobites, worms, sponges, Brachipods and many other animals flourshied. -
Period: Jan 28, 1000 to
Proterozoic Era
This era includes the Neo, Meso and Paleo. -
Feb 28, 1000
neo-proterozoic
First fossils of mutli-celled animals surive form this period. Eukarytes appeared as early as 1000 million years ago, and worm like animals and the first sponges by about 600 million years ago. Land under NC was pulled apart developing island volcanos, forming an arc from Virginia to Gerogia -
meso-proterozoic
green algae appered in seas, 1300 millions ago the first mountains formed called the Greenville Mountains. Th e rocks from these mountains lie under the Appaalachains and part of the Pedimont and Costal Plane. -
Paleo-proterozoic
the armosphere became oxygenic for the first time. 1800 million years ago the first complex single celled life form called cells with nuclei emerged.