Auction Closed
  • liveApril 24, 2026 8:00 AM MDT
  • Louisville, CO, US

Fossils | Native American | Ethnographic Art

408 lots

                  Large Tyrannosaurus Rex Fos... image

                  1: Large Tyrannosaurus Rex Fossil Tooth, Wear Facets!

                  Estimate: $11,000 - $16,500
                  Passed
                  Prehistoric Fossilized Mosa... image

                  1A: Prehistoric Fossilized Mosasaur Skull & Teeth

                  Estimate: $6,000 - $8,000
                  Passed
                  Woolly Mammoth Ivory Tusk F... image

                  1B: Woolly Mammoth Ivory Tusk Fossil on Wood Stand

                  Estimate: $8,000 - $12,000
                  Passed
                  Huge Paleocene Sycamore Fos... image

                  2: Huge Paleocene Sycamore Fossil Leaf from Montana

                  Estimate: $2,600 - $3,900
                  Passed
                  Rare Fossil Eurypholis Fish... image

                  2A: Rare Fossil Eurypholis Fish with Stomach Contents

                  Estimate: $3,000 - $4,500
                  Passed
                  Large Trilobite Fossil in M... image

                  3: Large Trilobite Fossil in Matrix, Asaphellus Stubbsi

                  Estimate: $3,200 - $4,800
                  Passed
                  Prehistoric "Trilobite High... image

                  3A: Prehistoric "Trilobite Highway" Fossils in Stone Matrix

                  Estimate: $2,000 - $3,000
                  Passed
                  Polished Ammonite Fossil Cl... image

                  4: Polished Ammonite Fossil Cluster in Upright Matrix

                  Estimate: $2,000 - $3,000
                  Sold:$1,300
                  Eocene Brontothere Mammal M... image

                  4A: Eocene Brontothere Mammal Molar Teeth & Jawbone

                  Estimate: $1,800 - $3,000
                  Passed
                  Triassic Madagascar Petrifi... image

                  5: Triassic Madagascar Petrified Polished Wood Slab

                  Estimate: $800 - $1,250
                  Passed
                  Fossilized Floating Crinoid... image

                  5A: Fossilized Floating Crinoid Scyphocrinites w/ Pyrite

                  Estimate: $1,000 - $1,500
                  Sold:$500
                  Mosasaur Vertebrae Fossil i... image

                  6: Mosasaur Vertebrae Fossil in Matrix

                  Estimate: $2,000 - $3,000
                  Passed
                  Sculptural French Jurassic ... image

                  6A: Sculptural French Jurassic Fossilized Ammonite Cluster

                  Estimate: $1,500 - $2,500
                  Sold:$700
                  Moroccan Fossil Ammonite Ca... image

                  7: Moroccan Fossil Ammonite Carving with Orthoceras Shells

                  Estimate: $450 - $675
                  Passed
                  Montana Fossil Ginkgo Leaf ... image

                  7A: Montana Fossil Ginkgo Leaf w/ Wood Impression

                  Estimate: $900 - $1,500
                  Passed
                  Ammonite Fossil Collection ... image

                  8: Ammonite Fossil Collection Polished & Natural

                  Estimate: $400 - $600
                  Passed
                  Shoal of Fossilized Knighti... image

                  8A: Shoal of Fossilized Knightia Fish in Stone Matrix

                  Estimate: $800 - $1,200
                  Passed
                  Three Petrified Wood Slabs ... image

                  9: Three Petrified Wood Slabs Madagascar & Indonesia

                  Estimate: $400 - $600
                  Passed
                  Ovoid Tabletop, Slab of Fos... image

                  9A: Ovoid Tabletop, Slab of Fossilized Orthoceras Shells

                  Estimate: $600 - $1,000
                  Passed
                  Petrified Wood Fossils, Thr... image

                  10: Petrified Wood Fossils, Three Polished Slabs

                  Estimate: $350 - $525
                  Passed