Biology:Quadragnostus
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Quadragnostus | |
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Family: | Metagnostidae
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Genus: | Quadragnostus Howell, 1966
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Quadragnostus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived during the Cambrian Period,[1] which lasted from approximately 539 to 485 million years ago.
References
- ↑ Jump up to: 1.0 1.1 Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: 560.
Wikidata ☰ Q7268301 entry
Original source: https://en.wikipedia.org/wiki/Quadragnostus.
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