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Green River Formation Fossils

The highest quality Green River Formation Fossil Fish now available to buy online Direct From the Source. Museum quality fossil preparation practices using the highest quality air abrasives under high definition microscopes. Green River Formation Fossil Fish found and prepared by In Stone Fossils from their privately owned quarry located near Kemmerer, Wyoming.

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    $249,000.00
    $249,000.00 - $249,000.00
    $249,000.00
    $175,000.00
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    $175,000.00

    Xiphactinus audax | Monster Cretaceous Fossil Fish | Niobrara Chalk Formation, Kansas

    Fossils For Sale | In Stone Fossils

    Xiphactinus audax  87 and 82 million years ago during the Coniacian, Santonian, and Campanian stages of the Late Cretaceous Niobrara Chalk Formatio...

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    $249,000.00
    $249,000.00 - $249,000.00
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    $175,000.00
    $175,000.00 - $175,000.00
    $175,000.00
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  • Sold out
    $17,000.00 - $17,000.00
    $17,000.00
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    $17,000.00

    Crossopholis magnicaudatus (Paddlefish)

    In Stone Fossils

    Crossopholis magnicaudatus (Paddlefish) Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Quarry ...

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    $17,000.00
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    $17,000.00
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  • $7,500.00 - $7,500.00
    $7,500.00
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    $7,500.00

    Phareodus encaustus |100% Natural Museum Grade Specimen | Green River Formation

    In Stone Fossils

    Phareodus encaustus  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Quarry  Plate size approx: 26...

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    $7,500.00 - $7,500.00
    $7,500.00
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    $7,500.00
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    $7,500.00 - $7,500.00
    $7,500.00
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    $7,500.00

    Rare Juvenile Gar Atractosteus simplex | Green River Formation

    In Stone Fossils

    Beautiful Rare Juvenile Gar Atractosteus simplex Gars are one of the largest and rarest fish found in the formation. They were fierce predators, ha...

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    $7,500.00 - $7,500.00
    $7,500.00
    $7,500.00 - $7,500.00
    $7,500.00
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  • $2,400.00 - $2,400.00
    $2,400.00
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    $2,400.00

    Huge 19.5" Diplomystus and Double Cockerellites liops | Green River Formation

    In Stone Fossils

    Diplomystus of this magnitude are few and far between with Double Cockerellites liops unrestored specimen 100% Natural  Eocene (52.3 Million Years...

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    $2,400.00
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    $2,400.00
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    $1,900.00
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    $1,900.00

    Heliobatis radians Stingray | Green River Formation

    In Stone Fossils

    Heliobatis radians Stingray from the Green River Formation In Stone Fossils Private Quarry  Plate approx: 20.5" x 32" Stingray: approx 15" lo...

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    $1,900.00 - $1,900.00
    $1,900.00
    $1,900.00 - $1,900.00
    $1,900.00
  • $1,400.00 - $1,400.00
    $1,400.00
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    $1,400.00

    10" Priscacara serrata Museum Quality Specimen | Green River Formation

    In Stone Fossils

    Priscacara serrata 100% Natural, no restoration  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Qua...

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    $1,400.00 - $1,400.00
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  • $1,198.00 - $1,198.00
    $1,198.00
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    $1,198.00

    Knightia eoceana Fossil Fish Mortality Plate with Diplomystus | Fifteen Knightia eocaena | Green River Formation

    In Stone Fossils

    Knightia eocaena with Diplomystus  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Quarry Fifteen ...

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    $1,198.00 - $1,198.00
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    $1,198.00
  • $1,100.00 - $1,100.00
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    Large Knightia Mini Fish Mortality Plate

    In Stone Fossils

    Knightia eocaena mortality layer, unrestored specimen Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Privat...

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    $1,100.00 - $1,100.00
    $1,100.00
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    $1,100.00
  • Sold out
    $795.00 - $795.00
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    Diplomystus with Leaf Freeform

    Fossils For Sale | In Stone Fossils

    Diplomystus dentatus  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Quarry  Plate size approx: 3...

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    $795.00
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  • $650.00 - $650.00
    $650.00
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    $650.00

    Phareodus testis | Zero Restoration | Green River Formation

    In Stone Fossils

    Phareodus testis, unrestored specimen, 100% Natural  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA In Stone Fossils Private...

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    $650.00 - $650.00
    $650.00
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    $650.00
  • $580.00 - $580.00
    $580.00
    $580.00 - $580.00
    $580.00

    Knightia Mini Fish Mortality Plate

    In Stone Fossils

    Knightia eocaena mortality layer, unrestored specimen Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Privat...

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    $580.00 - $580.00
    $580.00
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    $580.00
  • $575.00 - $575.00
    $575.00
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    $575.00

    Knightia Mortality Travertine Plate | Green River Formation

    In Stone Fossils

    Knightia eocaena mortality layer on travertine, unrestored specimen Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone ...

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    $575.00 - $575.00
    $575.00
    $575.00 - $575.00
    $575.00
  • Sold out
    $395.00 - $395.00
    $395.00
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    Heliobatis radians Juvenile Stingray with Knightia eoceana | Green River Formation

    In Stone Fossils

    Heliobatis radians (stingray) fossil with Knightia eocaena 100% Natural, no restoration found within the Green River Formation in Wyoming  Here's...

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    $395.00 - $395.00
    $395.00
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    $395.00
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  • Sold out
    $495.00
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    $295.00
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    $295.00

    Fossil Block - LIMITED RUN Authentic 12" x 12" Fossil Pay Load

    In Stone Fossils

    If you couldn't visit the quarry this year... we'll just SHIP IT TO YOU  Only THIRTEEN available 12" x 12" x 3" (approximate sizes) blocks of Fossi...

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    $495.00
    $495.00 - $495.00
    $495.00
    $295.00
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  • Sold out
    $260.00 - $260.00
    $260.00
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    $260.00

    5.75" Cockerellites liops (Formerly Priscacara liops) | Green River Formation

    In Stone Fossils

    Cockerillites liops, restored specimen from the Green River Formation  Plate: 10.75" x 11"  Fish: 5.75"    Cockerellites liops (formerly...

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    $260.00 - $260.00
    $260.00
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  • $255.00 - $255.00
    $255.00
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    5.5" Cockerellites liops (Formerly Priscacara liops) | 100% Natural | Green River Formation, Wyoming

    In Stone Fossils

    Cockerellites liops, 100% Natural Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Stone Fossils Private Quarry  ...

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    $255.00 - $255.00
    $255.00
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    $255.00
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    $225.00
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    4.75" Cockerellites liops With Predation Marks | Unrestored Specimen | A+ Quality

    In Stone Fossils

    Cockerellites liops With Predation Marks, unrestored specimen **The tail has been bitten off by it's predator** Eocene (52.3 Million Years Ag...

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    $225.00 - $225.00
    $225.00
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    $225.00
  • Sold out
    $137.50 - $137.50
    $137.50
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    $137.50

    Fossil Mini Fish | Displayable Retail | Plastic Free

    Fossils For Sale | In Stone Fossils

    Priced at 25 pieces per order (example: 1 order added to cart is 25 pieces, 2 orders added to cart is 50 pieces)  100pc minimum to add your own log...

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    $137.50 - $137.50
    $137.50
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    $137.50
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  • Sold out
    $175.00
    $175.00 - $175.00
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    $125.00
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    $125.00

    Mioplosus labracoides | Unrestored Fossil Fish | Wyoming

    In Stone Fossils

    Mioplosus labracoides, unrestored specimen with gastropod impressions  Eocene (52.3 Million Years Ago)  Green River Formation, Wyoming, USA  In Sto...

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    $175.00
    $175.00 - $175.00
    $175.00
    $125.00
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  • $120.00 - $120.00
    $120.00
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    $120.00

    5.75" Knightia eocaena 100% Natural | Green River Formation

    In Stone Fossils

    Knightia fossil found from our private quarry with beautiful reddish-gold toned iron mineral replacement of which our quarry is prized for. This be...

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    $120.00 - $120.00
    $120.00
    $120.00 - $120.00
    $120.00
  • $119.00 - $119.00
    $119.00
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    $119.00

    All Natural Knightia Mortality Plate | Green River Formation

    In Stone Fossils

    Multiple Knightia fossils naturally found together in this way with beautiful reddish-gold toned iron mineral replacement of which our private quar...

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    $119.00 - $119.00
    $119.00
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    $119.00
  • Sold out
    $99.00 - $99.00
    $99.00
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    $99.00

    5.75" Knightia eocaena 100% Natural | Green River Formation

    In Stone Fossils

    Knightia eoceana fossil found on private quarry with beautiful reddish-gold toned iron mineral replacement of which this quarry is prized for. This...

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    $99.00 - $99.00
    $99.00
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    $99.00
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  • $60.00 - $60.00
    $60.00
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    $60.00

    Knightia eocaena 100% Natural | Green River Formation

    In Stone Fossils

    Knightia fossil found from our private quarry with beautiful reddish-gold toned iron mineral replacement of which our quarry is prized for. This be...

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    $60.00 - $60.00
    $60.00
    $60.00 - $60.00
    $60.00