A major extinction, the Kellwasser event, occurred at the boundary that marks the beginning of the last phase of the Devonian period, the Famennian faunal stage (the Frasnian–Famennian boundary), about 375–360 million years ago.Overall, 19% of all families and 50% of all genera became extinct. Unicellular Organisms developed into Multicellular Organisms. Algae Dinosaurs Evolved and lived for 180 Million years (over 700 types).
Ion is an Atom or a molecule in which the total number of electrons is not equal to the total number of protons, giving the atom or molecule a net positive or negative electrical charge.
Galaxy z is 13.1 billion years old, only about 700 million years younger than the universe. That was when the Moon Formed, the Moon was twice as close then it is now causing 10,000 ft. (1.5 Billion Years since the Birth of Earth) - 2.4 billion years ago, oxygen in the atmosphere suddenly increased by about 10,000 times in just 200 million years.
Ocean organisms and primitive animals start to evolve.
This chert, formed in volcanic hot springs, preserved several species of early plants in cellular detail by petrification.
Paleozoic Timeline of Plant Evolution (wiki) - Photosynthesis Horseshoe Crab Living Fossil is an extant taxon that closely resembles organisms otherwise known only from the fossil record. Carboniferous is a geologic period and system that spans 60 million years from the end of the Devonian Period 358.9 million years ago (Mya), to the beginning of the Permian Period, 298.9 Mya. Hangenberg Event is a bioevent that occurred at the end of the Famennian epoch (late Devonian) associated with the Late Devonian extinction (roughly 358.9 ± 0.4 million years ago); Bioevent is an event recognised in a sequence of sedimentary rocks, where there is a significant change in the biota as recorded by assemblages of fossils over a relatively short period of time.