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Updated March 2026
795+ Fossil Entries
marine-reptileTriassic-JurassicUpdated March 2026

Colorado Ichthyosaur Bone

Triassic-Jurassic

Colorado Ichthyosaur Bone fossil specimen

About Colorado Ichthyosaur Bone

The Colorado Ichthyosaur Bone is a marine-reptile fossil dating to the Triassic-Jurassic. Ichthyosaur Bone is a realistic Colorado fossil profile built around marine reptile bone from offshore Nevada and western sedimentary units. In this state, success usually comes from learning Morrison outcrops, Green River beds, and uplifted marine limestones, then timing runoff, reservoir drawdown, surf cuts, or road work that exposes fresh fossil-bearing rock instead of hunting blindly.

“According to TroveRadar, Colorado Ichthyosaur Bone fossils from the Triassic-Jurassic are found across Colorado. TroveRadar's field database catalogs 795+ fossil entries for identification and collection guidance.

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Identification Tips

  • dense paddle-bone texture
  • marine matrix
  • dark mineral replacement
  • Check Morrison outcrops, Green River beds, and uplifted marine limestones

Where Found

Colorado

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Explore More

How do I identify a Colorado Ichthyosaur Bone fossil?
Colorado Ichthyosaur Bone fossils from the Triassic-Jurassic can be identified by: dense paddle-bone texture. marine matrix. dark mineral replacement. Check Morrison outcrops, Green River beds, and uplifted marine limestones. They are most commonly found in Colorado.
Where are Colorado Ichthyosaur Bone fossils found?
Colorado Ichthyosaur Bone fossils are found in Colorado. Look in sedimentary rock formations dating to the Triassic-Jurassic era. The best collecting is typically found in exposed roadcuts, creek banks, and quarry sites.
How old are Colorado Ichthyosaur Bone fossils?
Colorado Ichthyosaur Bone fossils date to the Triassic-Jurassic. They are classified as marine-reptile fossils in TroveRadar's database, which catalogs 795+ fossil entries across North America.
Is it legal to collect Colorado Ichthyosaur Bone fossils?
Fossil collecting laws vary by state and land ownership. Common invertebrate fossils are generally collectible on some public lands for personal use, but vertebrate fossils and collecting on protected lands may require permits. Always check local regulations before collecting. Use TroveRadar's State Guides for specific rules.