
Cambrian - Wikipedia
The term Cambrian for the oldest period of the Paleozoic was officially agreed in 1960, at the 21st International Geological Congress. It only includes Sedgwick's "Lower Cambrian series", but its base …
Cambrian Period | Definition, Plants, & Animals | Britannica
Cambrian Period, earliest time division of the Paleozoic Era, extending from 538.8 million to 485.4 million years ago.
Cambrian Period—541 to 485.4 MYA - U.S. National Park Service
Jan 22, 2025 · The Cambrian Period marks an important point in the history of life on Earth; it is the time when many kinds of invertebrates and the first vertebrates—fishes—appeared in the fossil record.
Cambrian Period | Natural History Museum
Oct 28, 2012 · The Cambrian Period may be divided into three divisions: Lower (Early), Middle, and Furongian (Late). As noted above, trilobites are the most common fossil types, and these dominant …
Cambrian Period - National Geographic
Learn more about a time period marked by an intense burst of evolution. The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known. The Cambrian...
The Cambrian Period - University of California Museum of ...
The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record.
Cambrian Period: When Life Learned to Experiment - FossilEra
Discover the Cambrian Period through its fossils—trilobites, early predators, and the evolutionary experiments that shaped life on Earth.