Biology:Grinnellaspis

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Grinnellaspis
Temporal range: Early Arenig[1]
Fossil
Scientific classification
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Grinnellaspis

Grinnellaspis 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

Wikidata ☰ Q5609531 entry