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Free Appraisal
Rare Theropod
Dinosaur Skull
Allosaurus fragilis
Jurassic
Morrison Formation
Albany County, Wyoming, USA
Auction 5435
| Lot: 72102 | Sep 28, 2019
Sold For:
$205,000.00
Make Offer to Owner
$307,500 or more
Allosaurus Leg
Allosaurus fragilis
Late Jurassic
Morrison Formation
Wyoming, USA
(Total: 13 Items)
Auction 8248
| Lot: 72198 | Apr 29, 2026
Sold For:
$100,000.00
Make Offer to Owner
$150,000 or more
Fossil Crocodile
Steneosaurus bollensis
Lower Jurassic
Posidonienschiefer Formation
Holzmaden, Baden-Württemberg, Germany
Auction 8237
| Lot: 72079 | Dec 2, 2025
Sold For:
$93,750.00
Make Offer to Owner
$140,625 or more
Fossil Crinoid Colony
Seirocrinus subangularis
Jurassic
Posidonienschiefer Formation
Holzmaden, Baden-Württemberg, Germany
(Total: 2 Items)
Auction 8237
| Lot: 72029 | Dec 2, 2025
Sold For:
$81,250.00
Make Offer to Owner
$121,875 or more
Mosasaur Fossil Skeleton
Mosasaurus platycarpus
Cretaceous
Niobrara Chalk Formation
Kansas, USA
(Total: 2 Items)
Auction 8237
| Lot: 72084 | Dec 2, 2025
Sold For:
$75,000.00
Make Offer to Owner
$112,500 or more
Elephant Bird Egg
Aepyornis maximus
Madagascar
Auction 8140
| Lot: 72236 | Nov 10, 2023
Sold For:
$75,000.00
Make Offer to Owner
$112,500 or more
Fossil Ichthyosaur
Stenopterygius quadriscissus
Lower Jurassic
Posidonienschiefer Formation
Holzmaden, Bavaria, Germany
Auction 8036
| Lot: 72040 | Mar 19, 2021
Sold For:
$75,000.00
Make Offer to Owner
$112,500 or more
Dire Wolf Skull
Aenocyon dirus
Pleistocene
Nishnabotna River, Pottawatomie County, Iowa, USA
(Total: 3 Items)
Auction 8219
| Lot: 72084 | Aug 29, 2025
Sold For:
$52,500.00
Make Offer to Owner
$78,750 or more
T-rex Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Montana, USA
Auction 8036
| Lot: 72025 | Mar 19, 2021
Sold For:
$52,500.00
Make Offer to Owner
$78,750 or more
Fossil Crocodile
Steneosaurus bollensis
Lower Jurassic
Posidonienschiefer Formation
Holzmaden, Bavaria, Germany
Auction 8036
| Lot: 72041 | Mar 19, 2021
Sold For:
$50,000.00
Make Offer to Owner
$75,000 or more
INCREDIBLE "GEM" AMMONITE
Placenticeras meeki
Late Cretaceous, Bearpaw Formation
St. Mary's River, Alberta, Canada
(Total: 2 Items)
Auction 5192
| Lot: 73197 | Sep 28, 2014
Sold For:
$43,750.00
Make Offer to Owner
$65,625 or more
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Auction 5389
| Lot: 72122 | Dec 15, 2018
Sold For:
$43,750.00
Make Offer to Owner
$65,625 or more
Fossil Palm with Fossil Fish
Sabalites sp., Phareodus encaustus., & Knightia eocaena.
Eocene
Fossil Butte member, F2 Horizon
Green River Formation
Lincoln County, Wyoming, USA
Auction 8237
| Lot: 72022 | Dec 2, 2025
Sold For:
$40,000.00
Make Offer to Owner
$60,000 or more
Pogonodon Fossil Skeleton
Pogonodon platycopis
Oligocene
Shannon County, South Dakota, USA
(Total: 2 Items)
Auction 8096
| Lot: 72028 | Nov 4, 2022
Sold For:
$37,500.00
Make Offer to Owner
$56,250 or more
Iridescent "Gem" Ammonite
Placenticeras meeki
Late Cretaceous
,
Bearpaw Formation
Alberta, Canada
(Total: 2 Items)
Auction 5234
| Lot: 73064 | Oct 4, 2015
Sold For:
$31,250.00
Make Offer to Owner
$46,875 or more
Cave Bear Skeleton
Ursus uralensis
Pleistocene
Russia
Auction 8036
| Lot: 72030 | Mar 19, 2021
Sold For:
$30,000.00
Make Offer to Owner
$45,000 or more
T-rex Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Garfield County, Montana, USA
Auction 8190
| Lot: 72067 | Aug 28, 2024
Sold For:
$27,500.00
Make Offer to Owner
$41,250 or more
Daphoenus Fossil Skeleton
Daphoenus felinus
Oligocene
White River Formation
Shannon County, South Dakota, USA
Auction 8248
| Lot: 72181 | Apr 29, 2026
Sold For:
$25,000.00
Make Offer to Owner
$37,500 or more
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska
(Total: 2 Items)
Auction 5324
| Lot: 72193 | Nov 4, 2017
Sold For:
$25,000.00
Make Offer to Owner
$37,500 or more
Fossil Turtle
Axestemys byssinus
Eocene
Green River Formation,
Fossil Butte Member, Lincoln County, Wyoming, USA
Auction 8237
| Lot: 72077 | Dec 2, 2025
Sold For:
$23,125.00
Make Offer to Owner
$34,688 or more
GIANT FOSSIL PALM AND STINGRAY
Auction 6068
| Lot: 49271 | May 20, 2012
Sold For:
$22,500.00
Make Offer to Owner
$33,750 or more
Framed Fossil Palm
Sabalities sp.
Eocene
Green River Formation
Wyoming, USA
Auction 8237
| Lot: 72023 | Dec 2, 2025
Sold For:
$20,000.00
Make Offer to Owner
$30,000 or more
"Gem" Ammonite Fossil
Placenticeras costatum
Late Cretaceous
Bearpaw Formation
Alberta, Canada
(Total: 2)
Auction 8190
| Lot: 72099 | Aug 28, 2024
Sold For:
$18,750.00
Make Offer to Owner
$28,125 or more
Fossil Fish Mosaic Triptych
Phareodus encaustus, Priscacara liops, & Knightia eocaena
Eocene
Green River Formation
Wyoming, USA
(Total: 3 Items)
Auction 8194
| Lot: 72142 | Nov 20, 2024
Sold For:
$18,000.00
Make Offer to Owner
$27,000 or more
Cave Bear Skeleton
Ursus uralensis
Pleistocene
Ural Mountains
Auction 8096
| Lot: 72031 | Nov 4, 2022
Sold For:
$16,250.00
Make Offer to Owner
$24,375 or more
Fossil Palm Flower
Undetermined species
Eocence Age
Green River Formation
Wyoming, USA
Auction 5280
| Lot: 72232 | Apr 30, 2017
Sold For:
$15,500.00
Make Offer to Owner
$23,250 or more
"Gem" Ammonite Fossil
Placenticeras costatum
Late Cretaceous
Bearpaw Formation
Alberta, Canada
(Total: 2)
Auction 8248
| Lot: 72220 | Apr 29, 2026
Sold For:
$15,000.00
Make Offer to Owner
$22,500 or more
T-rex Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Lance Formation
Niobrara County, Wyoming, USA
Auction 8219
| Lot: 72049 | Aug 29, 2025
Sold For:
$15,000.00
Make Offer to Owner
$22,500 or more
Triceratops Brow Horn
Triceratops horridus
Upper Cretaceous
Hell Creek Formation
Springhill Ranch, Dawson County, Montana, USA
Auction 8162
| Lot: 72113 | Apr 24, 2024
Sold For:
$13,750.00
Make Offer to Owner
$20,625 or more
Fossil Palm
Sabalites sp.
Eocene
Green River Formation
Wyoming, USA
Auction 8096
| Lot: 72066 | Nov 4, 2022
Sold For:
$13,750.00
Make Offer to Owner
$20,625 or more
Petrified Wood Tabletop
Araucaria
Triassic
Chinle Formation
Arizona, USA
Auction 8162
| Lot: 72134 | Apr 24, 2024
Sold For:
$13,125.00
Make Offer to Owner
$19,688 or more
T-rex Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Butte County, South Dakota, USA
Auction 8248
| Lot: 72205 | Apr 29, 2026
Sold For:
$12,500.00
Make Offer to Owner
$18,750 or more
Framed Fossil Gar
Masillosteus janei
Eocene
Green River Formation
Wyoming, USA
Auction 8237
| Lot: 72069 | Dec 2, 2025
Sold For:
$12,500.00
Make Offer to Owner
$18,750 or more
Triceratops Brow Horn
Triceratops horridus
Late Cretaceous
Hell Creek Formation
Montana, USA
(Total: 2 Items)
Auction 8219
| Lot: 72051 | Aug 29, 2025
Sold For:
$12,500.00
Make Offer to Owner
$18,750 or more
"Sea Scorpion" Fossil Plate
Eurypterus remipes
Silurian
Fiddler Green Formation
Herkimer County, New York, USA
Auction 8219
| Lot: 72009 | Aug 29, 2025
Sold For:
$11,875.00
Make Offer to Owner
$17,812 or more
Fossil Bison Skull
Bison occidentalis
Pleistocene/Holocene
Iowa, USA
Auction 8219
| Lot: 72083 | Aug 29, 2025
Sold For:
$11,250.00
Make Offer to Owner
$16,875 or more
Rock's Fur Coat (Proceeds to benefit mindat.org)
Peru
Auction 8070
| Lot: 72054 | Feb 7, 2022
Sold For:
$10,625.00
Make Offer to Owner
$15,938 or more
Fossil Gar
Masillosteus janei
Eocene
Green River Formation
Wyoming, USA
Auction 5435
| Lot: 72080 | Sep 28, 2019
Sold For:
$10,625.00
Make Offer to Owner
$15,938 or more
Megalodon Shark Tooth
Otodus megalodon
Miocene-Pliocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Auction 8208
| Lot: 72042 | Apr 23, 2025
Sold For:
$10,312.50
Make Offer to Owner
$15,469 or more
Adélie Penguin Egg - British National Antarctic 'Discovery' Expedition, 1901-1904
Pygoscelis adeliae
'Discovery' Expedition - January 9, 1902
Cape Adare, South Victoria Land, East Antarctica
(Total: 2 Items)
Auction 8190
| Lot: 72109 | Aug 28, 2024
Sold For:
$10,138.75
Make Offer to Owner
$15,208 or more
Petrified Conifer Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Auction 8219
| Lot: 72018 | Aug 29, 2025
Sold For:
$10,000.00
Make Offer to Owner
$15,000 or more
Ammonite Fossil
Perisphinctes (Kranosphinctes) sp.
Late Jurassic
Madagascar
(Total: 2 Items)
Auction 8248
| Lot: 72223 | Apr 29, 2026
Sold For:
$9,375.00
Make Offer to Owner
$14,062 or more
Framed Fossil Fish
Pachyrhizodus sp.
Late Cretaceous
Smoky Hill Chalk Member, Niobrara Formation
Kansas, USA
Auction 8237
| Lot: 72067 | Dec 2, 2025
Sold For:
$9,375.00
Make Offer to Owner
$14,062 or more
Ammonite Fossil on Metal Base
Pachydiscus catarinae
Cretaceous
Baja California, Mexico
(Total: 2 Items)
Auction 8237
| Lot: 72052 | Dec 2, 2025
Sold For:
$8,750.00
Make Offer to Owner
$13,125 or more
Tyrannosaurus Metatarsal Bone
Tyrannosaurus rex
Upper Cretaceous
Hell Creek Formation
Daines Ranch, McCone County, Montana, USA
(Total: 2 Items)
Auction 29151
| Lot: 48206 | Aug 7, 2020
Sold For:
$8,750.00
Make Offer to Owner
$13,125 or more
Dinosaur Claw
Spinosaurus sp.
Late Cretaceous
Kem Kem Group
Morocco
Auction 29151
| Lot: 48208 | Aug 7, 2020
Sold For:
$8,750.00
Make Offer to Owner
$13,125 or more
Theropod Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Powder River County, Montana, USA
Auction 29156
| Lot: 48042 | Jan 17, 2022
Sold For:
$8,750.00
Make Offer to Owner
$13,125 or more
Petrified Conifer Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Auction 8237
| Lot: 72012 | Dec 2, 2025
Sold For:
$8,125.00
Make Offer to Owner
$12,188 or more
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