Biology:Plesiomegalaspis
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{{Taxobox |name = Plesiomegalaspis |status = fossil |fossil_range = Early Arenig<ref name=Sepkoski>.
Plesiomegalaspis 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,[1] a faunal stage which lasted from approximately 478 to 471 million years ago.
References
- ↑ Cite error: Invalid
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Wikidata ☰ Q7204665 entry
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