
Paleozoic - Wikipedia
The Paleozoic was a time of dramatic geological, climatic, and evolutionary change. The Cambrian witnessed the most rapid and widespread diversification of life in Earth's history, known as the …
Paleozoic Era | Description, Climate, & Facts | Britannica
Paleozoic Era, major interval of geologic time that began 538.8 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago …
Paleozoic | U.S. Geological Survey - USGS.gov
Paleozoic (541-252 million years ago) means ‘ancient life.’ The oldest animals on Earth appeared just before the start of this era in the Ediacaran Period, but scientists had not yet discovered them when …
The Paleozoic Era - University of California Museum of Paleontology
The Paleozoic Era is bracketed by the times of global super-continents. The era opened with the breakup of the world-continent Pannotia and closed with the formation of Pangea, as the Earth's …
Paleozoic Era - U.S. National Park Service
Jul 5, 2023 · Common Paleozoic fossils include trilobites and cephalopods, as well as insects and ferns. The greatest mass extinction in Earth's history ended this era. The Paleozoic Era is further divided in …
Paleozoic Era: Facts & Information - Live Science
Jun 20, 2013 · The Paleozoic Era, which ran from 541 million to 251.9 million years ago, was a time of great change on Earth. The era began with the breakup of one supercontinent and the formation of …
Paleozoic - New World Encyclopedia
The Paleozoic era comprises from oldest to youngest the following six geologic periods: Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. During the nearly 300 million years of …
PALEOZOIC Definition & Meaning - Merriam-Webster
Eras are huge stretches of time; geologists break eras down into smaller "periods" and "epochs." Thus, the Paleozoic ends with the Permian period, the Mesozoic ends with the Upper Cretaceous epoch, …
Paleozoic Explained
What is the Paleozoic? The Paleozoic is subdivided into six geologic periods, Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
Paleozoic Era | Geology | Research Starters - EBSCO
The Paleozoic Era, spanning from approximately 544 to 251 million years ago, is the oldest era of the Phanerozoic eon and marks a significant period in Earth's history characterized by diverse and …