Trigonocercella
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| Trigonocercella Fossil range: Early Arenig[1] |
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Fossil
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Trigonocercella is an extinct genus from a well known class of fossil marine arthropods, the trilobites. It lived during the early part of the Arenig stage of the Ordovician Period[2], a faunal stage which lasted from approximately 478 to 471 million years ago.
[edit] References
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: p.560.
- ^ Sepkoski, Jack (2002). "A compendium of fossil marine animal genera (Trilobita entry)". Bulletins of American Paleontology 364: p.560.
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