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Print/export Download as PDF; Printable version; In other projects ... Pages in category "Cambrian animals" The following 37 pages are in this category, out of 37 ...
This list contains many extinct arthropod genera from the Cambrian Period of the Paleozoic Era. Some trilobites, bradoriids and phosphatocopines may not be included due to the lack of literature on these clades and inaccessibility of many papers describing their genera. This list also provides references for any Wikipedia users who intend to ...
The Cambrian explosion was a period of rapid multicellular growth. Most animal life during the Cambrian was aquatic. Trilobites were once assumed to be the dominant life form at that time, [58] but this has proven to be incorrect. Arthropods were by far the most dominant animals in the ocean, but trilobites were only a minor part of the total ...
Index fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages). Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends.
Print/export Download as PDF; Printable version; In other projects ... Pages in category "Cambrian arthropods" The following 101 pages are in this category, out of ...
Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Help This is a container category ... Cambrian animals of South America (1 P)
The name graptolite comes from the Greek graptos meaning "written", and lithos meaning "rock", as many graptolite fossils resemble hieroglyphs written on the rock. Linnaeus originally regarded them as ' pictures resembling fossils ' rather than true fossils, though later workers supposed them to be related to the hydrozoans ; now they are ...
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