- Cambrian - Wikipedia
The Cambrian ( ˈkæmbri ən, ˈkeɪm - KAM-bree-ən, KAYM-) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon [5] The Cambrian lasted 51 95 million years from the end of the preceding Ediacaran period 538 8 Ma (million years ago) to the beginning of the Ordovician Period 486 85 Ma [1]
- 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: Facts Information - Live Science
Scientists find some of the best specimens for the “evolutionary experiments” of the Cambrian Period in the fossil beds of the Sirius Passet formation in Greenland; Chenjiang, China; and the
- The Cambrian Period - University of California Museum of Paleontology
Almost every metazoan phylum with hard parts, and many that lack hard parts, made its first appearance in the Cambrian The only modern phylum with an adequate fossil record to appear after the Cambrian was the phylum Bryozoa, which is not known before the early Ordovician
- Cambrian Period - National Geographic
The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known The Cambrian Explosion saw an incredible diversity of life emerge, including many major
- Cambrian Period - Encyclopedia. com
Cambrian is the name given to a period of time in Earth 's history (i e , Cambrian Period), which spanned 570 – 510 million years ago The proper name Cambrian is also given to all the rocks that formed during that time (i e , Cambrian System)
- Plant Evolution Paleobotany - Cambrian
The Cambrian Period is the first Period in Phanerozoic Eon and the Paleozoic Era, occurring after the Neoproterozoic Period and before the Ordovician Period What happened during this time? Most of Cambrian life evolved and lived solely in the shallow seas that were formed as the supercontinent Pannotia split apart
- Cambrian Period - Natural History Museum
Marine animals with mineralized skeletons make their first appearance in the shallow seas of the Cambrian, though only "small shelly fossils" (tiny shells, spines and scales from early metazoans) and trace fossils are preserved for the first ten million years or so
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