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Free Appraisal
Fossil Fern (Positive/Negative)
Crenulopteris acadica
Pennsylvanian
Francis Creek Shale
Mazon Creek Area, Will County, Illinois, USA
6.57 x 3.78 x 1.24 inches (16.70 x 9.60 x 3.14 cm)
Auction 212323
| Lot: 77009 | Jun 8, 2023
Sold For:
$101.00
Petrified Wood Slab
Presumed Osmundacaulus
Jurassic
Injune Creek Beds
Wandoan, Queensland, Australia
8.07 x 5.63 x 0.68 inches (20.50 x 14.30 x 1.73 cm)
Auction 212225
| Lot: 79021 | Jun 23, 2022
Sold For:
$101.00
Petrified Conifer Slab
Araucaria
Triassic
Chinle Formation
Apache County, Arizona, USA
5.91 x 5.12 x 0.39 inches (15.00 x 13.00 x 1.00 cm)
Auction 212140
| Lot: 76004 | Oct 7, 2021
Sold For:
$101.00
Petrified Wood Slab
Pentoxylon
Jurassic
Injun Creek Formation
Near Chinchilla, Queensland, Australia
9.25 x 4.72 x 0.72 inches (23.50 x 12.00 x 1.84 cm)
Auction 212137
| Lot: 78021 | Sep 16, 2021
Sold For:
$101.00
Ammonite Fossil
Cleoniceras sp.
Cretaceous
Madagascar
2.90 x 2.33 x 0.77 inches (7.36 x 5.91 x 1.96 cm)
Auction 212133
| Lot: 78017 | Aug 19, 2021
Sold For:
$101.00
Cat-Like Cranium Cast
Hoplophoneus dakotensis
Oligocene
Protoceras Beds
South Dakota, USA
Auction 778
| Lot: 34 | May 21, 2021
Sold For:
$101.00
Fossil Leaves
Cinnamomum sezannense and Persea sp.
Paleocene
Fort Union Formation
Glendive, Montana, USA
7.09 x 4.92 x 1.25 inches (18.00 x 12.50 x 3.18 cm)
Auction 211852
| Lot: 79021 | Dec 27, 2018
Sold For:
$101.00
Fossil Leaf
Unidentified Species
Eocene
Green River Formation
Wyoming, USA
10.04 x 7.87 x 0.50 inches (25.50 x 20.00 x 1.28 cm)
Auction 211837
| Lot: 77021 | Sep 13, 2018
Sold For:
$100.00
Petrified Pine Slab
Pinus
Oligocene
John Day Formation
South Fork of the Crooked River, Crook County, Oregon, USA
6.50 x 5.91 x 0.52 inches (16.50 x 15.00 x 1.32 cm)
Auction 211806
| Lot: 77025 | Feb 8, 2018
Sold For:
$100.00
"Gem" Dinosaur Bone
Jurassic
Morrison Formation
Utah, USA
7.68 x 5.51 x 5.12 inches (19.50 x 14.00 x 13.00 cm)
Auction 211750
| Lot: 77031 | Dec 14, 2017
Sold For:
$100.00
Polished Dinosaur Coprolite
Jurassic
Morrion Formation
Colorado, USA
3.89 x 2.43 x 2.56 inches (9.88 x 6.18 x 6.49 cm)
Auction 211742
| Lot: 78018 | Oct 19, 2017
Sold For:
$100.00
Ammolite Fossil
Placenticeras sp.
Cretaceous
Bearpaw Formation
Southern Alberta, Canada
2.30 x 1.26 x 0.24 inches (5.84 x 3.19 x 0.62 cm)
Auction 211735
| Lot: 80019 | Aug 31, 2017
Sold For:
$100.00
Petrified Conifer Section
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
4.72 x 1.77 x 6.50 inches (12.00 x 4.50 x 16.50 cm)
Auction 211726
| Lot: 80023 | Jun 29, 2017
Sold For:
$100.00
"Scissor" Shark Tooth
Edestus heinrichi
Late Carboniferous
Coultervill, Illinois, USA
1.92 x 0.73 x 0.29 inches (4.88 x 1.85 x 0.73 cm)
Auction 211703
| Lot: 78017 | Jan 19, 2017
Sold For:
$100.00
Woolly Mammoth Vertebra
Mammuthus primigenius
Pleistocene
Alaska
5.43 x 5.43 x 7.68 inches (13.80 x 13.80 x 19.50 cm)
(Total: 2 Items)
Auction 211624
| Lot: 78024 | Jun 16, 2016
Sold For:
$100.00
Sliced Ammonite Pair
Cleoniceras sp.
Cretaceous
Madagascar
5.67 x 4.72 x 0.73 inches (14.40 x 12.00 x 1.86 cm)
(Total: 2 Items)
Auction 211610
| Lot: 77017 | Mar 10, 2016
Sold For:
$100.00
Woolly Mammoth Tooth
Mammuthus primigenius
Pleistocene
Alaska
4.02 x 3.39 x 1.70 inches (10.20 x 8.61 x 4.31 cm)
Auction 211610
| Lot: 77019 | Mar 10, 2016
Sold For:
$100.00
Petrified Wood Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Navajo County, Arizona, USA
6.54 x 5.91 x 0.55 inches (16.60 x 15.00 x 1.40 cm)
Auction 211549
| Lot: 76016 | Dec 3, 2015
Sold For:
$100.00
Woolly Mammoth Tooth
Mammuthus primigenius
Pleistocene
Alaska
4.76 x 2.64 x 1.45 inches (12.10 x 6.72 x 3.70 cm)
Auction 211543
| Lot: 80017 | Oct 22, 2015
Sold For:
$100.00
Crinoid Fossil Group
Macrocrinus mundulus and Decadocrinus turnidulus
Mississippian
Edwardsville Formation
Crawfordsville, Indiana, USA
3.24 x 3.05 x 0.99 inches (8.25 x 7.76 x 2.52 cm)
Auction 211543
| Lot: 80019 | Oct 22, 2015
Sold For:
$100.00
DRYHEAD AGATE
Dryhead Agate Mine
Carbon Coutny
Montana
3.85 x 1.31 inches (9.8 x 3.35 cm)
Auction 211514
| Lot: 76018 | Apr 2, 2015
Sold For:
$100.00
Sliced Ammonite Pair
Argonauticeras besairiei
Cretaceous
Ambatolafia, Ambarimaninga Region
Mahajanga Province, Madagascar
3.64 x 3.06 x 0.75 inches (9.24 x 7.76 x 1.90 cm)
Auction 212603
| Lot: 78005 | Jan 15, 2026
Sold For:
$99.00
Ammonite Fossil
Argonauticeras besairiei
Cretaceous
Ambatolafia, Ambarimaninga Region
Mahajanga Province, Madagascar
2.54 x 1.95 x 1.28 inches (6.46 x 4.96 x 3.24 cm)
Auction 212551
| Lot: 78046 | Dec 18, 2025
Sold For:
$99.00
Petrified Juniper Slab
Juniperus
Hubbard Basin
Nevada, USA
6.77 x 4.19 x 1.04 inches (17.20 x 10.63 x 2.64 cm)
Auction 212530
| Lot: 79051 | Jul 24, 2025
Sold For:
$99.00
Fossil Shark Teeth (Group of 3)
Carchardodon (Isurus) hastalis and Carchardodon (Isurus) planus
Miocene-Pliocene
Sharktooth Hill, Bakersfield, California, USA
2.08 x 1.10 x 0.43 inches (5.29 x 2.80 x 1.10 cm) - Largest
(Total: 3 Items)
Auction 212503
| Lot: 78008 | Jan 16, 2025
Sold For:
$99.00
Fossil Ginkgo Leaf
Ginkgo cranei
Paleocene
Sentinel Butte Formation
Morton County, North Dakota, USA
6.50 x 6.18 x 1.13 inches (16.50 x 15.70 x 2.86 cm)
Auction 212503
| Lot: 78016 | Jan 16, 2025
Sold For:
$99.00
Make Offer to Owner
$300 or more
Archosaur Tooth
Phytosaur
Triassic
Post, Texas, USA
1.02 x 0.46 x 0.39 inches (2.60 x 1.16 x 0.98 cm)
Auction 212410
| Lot: 76015 | Mar 7, 2024
Sold For:
$99.00
Pterosaur Tooth
Coloborhynchus moroccensis
Cretaceous
Ifezouane Formation
South of Taouz, Morocco
1.28 x 0.35 x 0.27 inches (3.24 x 0.88 x 0.68 cm)
Auction 212410
| Lot: 76035 | Mar 7, 2024
Sold For:
$99.00
T-Rex Bone Fossil
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Montana, USA
2.15 x 1.89 x 0.81 inches (5.47 x 4.81 x 2.06 cm)
Auction 212405
| Lot: 76020 | Feb 1, 2024
Sold For:
$99.00
T-Rex Bone Fossil
Tyrannosaurus rex
Late Cretaceous
Hell Creek Formation
Montana, USA
2.61 x 2.19 x 1.30 inches (6.63 x 5.57 x 3.31 cm)
Auction 212344
| Lot: 76032 | Nov 2, 2023
Sold For:
$99.00
Woolly Mammoth Bone
Mammuthus primigenius
Pleistocene
Alaska, USA
3.99 x 2.99 x 0.63 inches (10.13 x 7.59 x 1.60 cm)
Auction 212341
| Lot: 77037 | Oct 12, 2023
Sold For:
$99.00
Ammonite Fossil
Hoploscaphites nicolletii
Cretaceous
Zone Trail City Member, Fox Hills Formation
South Dakota, USA
4.41 x 3.10 x 2.54 inches (11.20 x 7.87 x 6.45 cm)
Auction 212320
| Lot: 78003 | May 18, 2023
Sold For:
$99.00
Dinosaur Coprolite
Jurassic
Morrison Formation
Utah, USA
7.48 x 3.94 x 2.09 inches (19.00 x 10.00 x 5.31 cm)
Auction 212222
| Lot: 76013 | Jun 2, 2022
Sold For:
$99.00
Dinosaur Coprolite
Jurassic
Morrison Formation
Utah, USA
4.81 x 2.72 x 1.55 inches (12.21 x 6.92 x 3.94 cm)
Auction 212407
| Lot: 78007 | Feb 15, 2024
Sold For:
$97.00
Ammonite Fossil
Discoscaphites conradi
Cretaceous
Zone Trail City Member, Fox Hills Formation
South Dakota, USA
2.50 x 2.11 x 0.94 inches (6.35 x 5.37 x 2.38 cm)
Auction 212405
| Lot: 76005 | Feb 1, 2024
Sold For:
$97.00
Petrified Arran Slab
Cordaites
Pennsylvanian
Ohio, USA
10.31 x 6.81 x 0.76 inches (26.20 x 17.30 x 1.94 cm)
Auction 212405
| Lot: 76012 | Feb 1, 2024
Sold For:
$97.00
Ammonite Pendant
Cleoniceras sp.
Cretaceous
Madagascar
1.79 x 1.48 x 0.33 inches (4.55 x 3.75 x 0.85 cm)
Auction 212403
| Lot: 78034 | Jan 18, 2024
Sold For:
$97.00
Trilobite Fossil
Phacops sp.
Devonian
Morocco
3.46 x 2.95 x 2.05 inches (8.80 x 7.50 x 5.20 cm)
Auction 212328
| Lot: 77018 | Jul 13, 2023
Sold For:
$97.00
Fossil Ginkgo
Ginkgo adiantoides
Paleocene
Sentinel Butte Formation
Morton County, North Dakota, USA
5.51 x 4.33 x 0.67 inches (14.00 x 11.00 x 1.71 cm)
Auction 212319
| Lot: 77016 | May 11, 2023
Sold For:
$97.00
Trilobite Fossil
Flexicalymene retorsa
Ordovician
Arnheim Member, Richmond Formation
Mt. Orab, Ohio, USA
2.66 x 2.14 x 0.85 inches (6.76 x 5.44 x 2.15 cm)
Auction 212318
| Lot: 76005 | May 4, 2023
Sold For:
$97.00
Petrified Palm Slab
Eocene
Yegua Formation
Lake Somerville, Washington County, Texas, USA
6.69 x 6.30 x 0.49 inches (17.00 x 16.00 x 1.24 cm)
Auction 212109
| Lot: 76018 | Mar 4, 2021
Sold For:
$97.00
Fossil Crocodile Tooth
Deinosuchus sp.
Cretaceous
Aguja Formation
West Texas, USA
1.51 x 0.57 x 0.55 inches (3.83 x 1.44 x 1.39 cm)
Auction 212106
| Lot: 77012 | Feb 11, 2021
Sold For:
$97.00
Hadrosaurid Vertebra
Edmontosaurus sp.
Late Cretaceous
Hell Creek Formation
Harding County, South Dakota, USA
3.28 x 3.19 x 1.98 inches (8.32 x 8.10 x 5.02 cm)
Auction 212040
| Lot: 76013 | Oct 1, 2020
Sold For:
$97.00
Polished "Gem" Dinosaur Bone
Jurassic
Morrison Formation
Utah, USA
6.04 x 4.08 x 3.91 inches (15.33 x 10.36 x 9.93 cm)
Auction 211946
| Lot: 78022 | Nov 14, 2019
Sold For:
$96.00
Polished "Gem" Dinosaur Bone
Jurassic
Morrison Formation
Utah, USA
3.85 x 2.67 x 2.54 inches (9.77 x 6.79 x 6.45 cm)
Auction 212421
| Lot: 79010 | May 23, 2024
Sold For:
$95.00
Baculite Fossil
Baculites cuneatus
Late Cretaceous
Pierre Shale
Meade County, South Dakota, USA
2.97 x 1.52 x 0.99 inches (7.55 x 3.86 x 2.52 cm)
Auction 212336
| Lot: 76003 | Sep 7, 2023
Sold For:
$95.00
Ammolite
Placenticeras sp.
Cretaceous
Bearpaw Formation
Alberta, Canada
3.92 x 2.34 x 0.42 inches (9.95 x 5.95 x 1.06 cm)
Auction 212332
| Lot: 77003 | Aug 10, 2023
Sold For:
$95.00
Sliced Ammonite Pair
Cleoniceras sp.
Cretaceous
Madagascar
4.17 x 3.59 x 0.60 inches (10.58 x 9.13 x 1.52 cm)
Auction 212238
| Lot: 79010 | Sep 22, 2022
Sold For:
$95.00
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