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Free Appraisal
"Gem" Ammonite Fossil in Matrix
Placenticeras sp.
Late Cretaceous
Bearpaw Formation
Alberta, Canada
Auction 8248
| Lot: 72221 | Apr 29, 2026
Sold For:
$10,000.00
Make Offer to Owner
$12,500 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
"Gem" Ammonite
Placenticeras costatum
Late Cretaceous
,
Bearpaw Formation
Alberta, Canada
(Total: 2 Items)
Auction 5234
| Lot: 73063 | Oct 4, 2015
Sold For:
$10,000.00
Make Offer to Owner
$15,000 or more
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Auction 8129
| Lot: 72107 | Mar 31, 2023
Sold For:
$10,000.00
Make Offer to Owner
$15,000 or more
Petrified Conifer Table
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
(Total: 6 Items)
Auction 8036
| Lot: 72031 | Mar 19, 2021
Sold For:
$10,000.00
Superb Iridescent Ammonite
Sphenodiscus lobatus
Late Cretaceous,
Fox Hills Formation
,
Timber Lake Member
Dewey County, South Dakota, USA
Auction 5234
| Lot: 73061 | Oct 4, 2015
Sold For:
$10,000.00
Petrified Conifer Tabletop and Base
Araucaria sp.
Triassic
Chinle Formation
Arizona, USA
(Total: 2 Items)
Auction 8140
| Lot: 72089 | Nov 10, 2023
Sold For:
$10,000.00
"Gem" Ammonite Fossil
Placenticeras intercalare
Late Cretaceous
Bearpaw Formation
Alberta, Canada
(Total: 2 Items)
Auction 8129
| Lot: 72120 | Mar 31, 2023
Sold For:
$10,000.00
Agatized Petrified Wood on Custom Stand
Natogyi, Mandalay Division
Myanmar (Burma)
(Total: 2 Items)
Auction 5234
| Lot: 73045 | Oct 4, 2015
Sold For:
$10,000.00
LARGE TRILOBITE MASS MORTALITY
...
Auction 5000
| Lot: 48385 | Jan 20, 2008
Sold For:
$9,560.00
ROBUST GEM AMMONITE
...
Auction 810091
| Lot: 81109 | Oct 17, 2010
Sold For:
$9,560.00
FINE FOSSIL PINE CONE ATTACHED TO ITS PARENT BRANCH
...
Auction 5009
| Lot: 38311 | Jun 8, 2008
Sold For:
$9,560.00
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Auction 5389
| Lot: 72120 | Dec 15, 2018
Sold For:
$9,500.00
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
Fossil Fish with Fossil Palm Mural
Diplomystus dentatus, Phareodus sp., Knightia eocaena, & Sabalites sp.
Eocene
Green River Formation
Wyoming, USA
Auction 8248
| Lot: 72190 | Apr 29, 2026
Sold For:
$9,375.00
Woolly Mammoth Tusk
Pleistocene
Russia (presumed)
(Total: 2 Items)
Auction 5324
| Lot: 72195 | Nov 4, 2017
Sold For:
$9,375.00
Megalodon Shark Tooth
Otodus megalodon
Miocene-Pliocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Auction 8208
| Lot: 72043 | Apr 23, 2025
Sold For:
$9,375.00
Fossil Bison Skull
Bison occidentalis
Pleistocene/Holocene
Iowa, USA
Auction 8208
| Lot: 72047 | Apr 23, 2025
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
RARE AND INCREDIBLE FOSSIL HORSE SKULL
Mesohippus bairdi
Early Oligocene
Brule Formation
White River Badlands
South Dakota
Auction 5141
| Lot: 53398 | Oct 20, 2013
Sold For:
$9,375.00
Theropod Dinosaur Claw
Spinosaurus sp.
Late Cretaceous
Kem Kem Group
Morocco
Auction 8190
| Lot: 72069 | Aug 28, 2024
Sold For:
$9,375.00
Theropod Dinosaur Footprints (Positive/Negative Set of 2)
Eubrontes
Early Jurassic
Portland Formation, Connecticut River Valley
South Hadley, Massachusetts, USA
(Total: 4 Items)
Auction 8073
| Lot: 72058 | Mar 25, 2022
Sold For:
$9,375.00
Dinosaur Trackway
Grallator sp.
Early Jurassic
Portland Formation
South Hadley, Massachusetts, USA
Auction 8036
| Lot: 72022 | Mar 19, 2021
Sold For:
$9,375.00
Fossil Palm Frond
Sabalites sp.
Eocene
Green River Formation
Wyoming, USA
Auction 5435
| Lot: 72055 | Sep 28, 2019
Sold For:
$9,375.00
Cave Bear Skull
Ursus spelaeus
Pleistocene
Romania
Auction 8096
| Lot: 72030 | Nov 4, 2022
Sold For:
$9,375.00
Trilobite Fossil
Arctinurus boltoni
Middle Silurian
Rochester Shale Formation
Middleport, New York, USA
Auction 8036
| Lot: 72050 | Mar 19, 2021
Sold For:
$9,375.00
LARGE AND RARE FOSSIL GAR FISH
...
Auction 5000
| Lot: 48373 | Jan 20, 2008
Sold For:
$9,273.20
Rare Fossil Ammonoid
Mariella bergeri
Cretaceous
St. Andre Les Alpes, France
Auction 5234
| Lot: 73053 | Oct 4, 2015
Sold For:
$9,250.00
Make Offer to Owner
$13,875 or more
Fossil Leaves
Zizyphoides flabellum, Celtis aspera (Hackberry), Davidia antiqua, & Platanus nobilis (Sycamore)
Paleocene
Fort Union Formation
Glendive, Montana, USA
Auction 8208
| Lot: 72017 | Apr 23, 2025
Sold For:
$9,062.50
WOOLLY MAMMOTH TUSK
...
Auction 5000
| Lot: 48365 | Jan 20, 2008
Sold For:
$8,962.50
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
Megalodon Shark Tooth
Otodus megalodon
Miocene
Morgan River
South Carolina, USA
Auction 8219
| Lot: 72072 | Aug 29, 2025
Sold For:
$8,437.50
MAMMOTH TUSK
...
Auction 6036
| Lot: 53238 | Jan 17, 2010
Sold For:
$8,365.00
FINE PETRIFIED WOOD LOG SECTION
Auction 6071
| Lot: 49248 | Jun 12, 2011
Sold For:
$8,365.00
Megalodon Shark Tooth
Otodus megalodon
Miocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Auction 8190
| Lot: 72059 | Aug 28, 2024
Sold For:
$8,312.50
Make Offer to Owner
$12,469 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
T-rex Dinosaur Tooth
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Montana, USA
Auction 8237
| Lot: 72082 | Dec 2, 2025
Sold For:
$8,125.00
Make Offer to Owner
$12,188 or more
Megalodon Shark Tooth
Otodus megalodon
Miocene-Pliocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Auction 8194
| Lot: 72145 | Nov 20, 2024
Sold For:
$8,125.00
Make Offer to Owner
$12,188 or more
Petrified Wood Table
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Auction 5296
| Lot: 81011 | Nov 3, 2016
Sold For:
$8,125.00
Ammonite Fossil
Lytoceras sp.
Cretaceous
Madagascar
(Total: 2 Items)
Auction 8096
| Lot: 72050 | Nov 4, 2022
Sold For:
$8,125.00
Make Offer to Owner
$12,188 or more
Petrified Conifer Slab
Araucarioxylon
Russia
33.50
x
30.50
x
1.25
inches (
85.09
x
77.47
x
3.18
cm)
Auction 5280
| Lot: 72066 | Apr 29, 2017
Sold For:
$7,812.50
Woolly Mammoth Tusk Section
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Auction 8219
| Lot: 72078 | Aug 29, 2025
Sold For:
$7,812.50
Triceratops Brow Horn
Triceratops horridus
Late Cretaceous
Hell Creek Formation
Wyoming, USA
(Total: 2 Items)
Auction 8194
| Lot: 72132 | Nov 20, 2024
Sold For:
$7,812.50
Make Offer to Owner
$11,719 or more
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Auction 8073
| Lot: 72044 | Mar 25, 2022
Sold For:
$7,812.50
Ammolite Cabochon
Placenticeras sp.
Cretaceous
Bearpaw Formation
Alberta, Canada
Auction 5434
| Lot: 72054 | Oct 5, 2020
Sold For:
$7,812.50
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