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Bookmark or Share- Cambrian - WikipediaThe Cambrian ( / ˈkæmbri.ən, ˈkeɪm -/ KAM-bree-ən, KAYM-; sometimes symbolized Ꞓ) is the first geological period of the Paleozoic Era, and of the Phanerozoic Eon. [5] . The Cambrian lasted 53.4 million years from the end of the preceding Ediacaran period 538.8 million years ago (mya) to the beginning of the Ordovician period 485.4 mya. [6] .
- Fine-scale appendage structure of the Cambrian trilobitomorph, Andrew D. Bond. , Huijuan Mai. , Xianguang Hou. and. Yu Liu. Published: 04 December 2019 https://doi.org/10.1098/rspb.2019.2371. Review history. Abstract. Trilobitomorphs are a species-rich Palaeozoic arthropod assemblage that unites trilobites with several other lineages that share similar appendage structure.
- Cambrian Period | Definition, Plants, & Animals | BritannicaCambrian Period, earliest time division of the Paleozoic Era, extending from 538.8 million to 485.4 million years ago.
- The Cambrian Period - University of California Museum of PaleontologyThe 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. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears. It was once thought that Cambrian rocks ...
- Cambrian Period | Natural History MuseumThe Cambrian* Period begins the Phanerozoic Eon, the last 542 million years during which fossils with hard parts have existed. It is the first division of the Paleozoic Era (542Ma -251Ma).
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