GRAND CANYON HAD EXTINCT CREATURES LIVING IN IT 500 MILLION YEARS AGO

  • Grand Canyon has many soft-bodied fossils.

References

Jack Knudson. 7-23-2025. Spike-Toothed Worm and Other Creatures Lived in Grand Canyon 500 Million Years Ago. LabX Media Group. https://www.discovermagazine.com/the-sciences/spike-toothed-worm-and-other-creatures-lived-in-grand-canyon-500-million

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