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Free Appraisal
Fossil Fern (Positive/Negative)
Crenulopteris acadica
Pennsylvanian
Francis Creek Shale
Mazon Creek Area, Will County, Illinois, USA
(Total: 2 Items)
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Petrified Conifer Log
Araucaria sp.
Triassic
Chinle Formation
Arizona, USA
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Petrified Conifer Contour "Stump"
Araucaria sp.
Triassic
Chinle Formation
Arizona, USA
Estimate: $2,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Petrified Conifer Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Estimate: $2,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Petrified Conifer "Stump"
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Estimate: $3,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Petrified Conifer Slab
Araucarioxylon arizonicum
Triassic
Chinle Formation
Arizona, USA
Estimate: $4,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Cranefly (Limoniidae) Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Beaded Lacewing Group (Neuroptera) Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Wasp Inclusions
Burmite
Cretaceous
Tanai Township (Tanaing Township), Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Female Spider Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Ant Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Male Spider Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Beetle Inclusions
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Amber with Feather Inclusion
Burmite
Cretaceous
Hukawng Valley, Myitkyina District, Kachin State, Myanmar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Ammonite Fossil
Cleoniceras sp.
Upper Cretaceous
Tulear, Madagascar
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Sliced Pyritized Ammonite Pair
Speetoniceras versicolor
Lower Cretaceous
Volga River, Ulyanovsk Region, Russia
(Total: 2 Items)
Estimate: $600 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Ammonite Fossil
Harpoceras sp.
Jurassic
Posidonia Shale
Holzmaden, Germany
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
"Gem" Ammolite Fossil
Placenticeras sp.
Late Cretaceous
Bearpaw Formation
Alberta, Canada
Estimate: $1,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
"Gem" Ammolite Fossil
Placenticeras sp.
Late Cretaceous
Bearpaw Formation
Alberta, Canada
Estimate: $2,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
"Gem" Ammonite Fossil in Matrix
Placenticeras costatum
Late Cretaceous
Bearpaw Formation
Alberta, Canada
Estimate: $25,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
"Gem" Ammonite Fossil
Placenticeras costatum
Late Cretaceous
Bearpaw Formation
St. Mary River Valley, Alberta, Canada
Estimate: $30,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Fossil Crab
Harpactocarcinus sp.
Eocene
Italy
Estimate: $800 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Framed Fossil Dragonfly
Aeschnogomphus intermedius
Upper Jurassic
Solnhofen Limestone
Eichstätt, Bavaria, Germany
Estimate: $1,200 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Fossil Crinoid Plate
Scyphocrinites elegans
Upper Silurian
Morocco
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Crinoid Fossil
Scyphocrinites elegans
Upper Silurian
Erfoud, Morocco
Estimate: $2,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Crotalocephalina gibbus
Lower Devonian
Morocco
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Dicranurus monstrosus
Lower Devonian
Morocco
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Phacops
Lower Devonian
Morocco
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Arctinurus boltoni
Middle Silurian
Rochester Shale Formation
Middleport, New York, USA
Estimate: $3,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossils
Lonchodomas (Ampyx) sp.
Lower Ordovician
Morocco
Estimate: $800 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Hoplolichoides conicotuberculatus
Middle Ordovician
Asery Level Formation
Vilpovitsy Quarry, St. Petersburg Region, Russia
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Trilobite Fossil
Hoplolichoides tricuspidatus
Middle Ordovician
Asery Level Formation
Vilpovitsy Quarry, St. Petersburg Region, Russia
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Mastodon Tooth
Mammut americanum
Pleistocene
Kaw River (Kansas River), Kansas, USA
(Total: 2 Items)
Estimate: $800 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Mastodon Tooth
Mammut americanum
Pleistocene
Florida, USA
Estimate: $600 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Mastodon Tooth
Mammut americanum
Miocene-Pliocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Gomphothere Tooth
Cuvieronius tropicus
Pliocene
Florida, USA
Estimate: $800 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Woolly Mammoth Teeth (Set of 2)
Mammuthus primigenius
Pleistocene
Kaw River (Kansas River), Kansas USA
(Total: 2 Items)
Estimate: $600 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Woolly Mammoth Tooth in Jaw Section
Mammuthus primigenius
Pleistocene
Leisey Shell Pit
Hillsborough County, Florida, USA
(Total: 2 Items)
Estimate: $1,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Woolly Mammoth Tusk
Mammuthus primigenius
Pleistocene
Alaska, USA
(Total: 2 Items)
Estimate: $20,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Cave Bear Skull
Ursus spelaeus
Pleistocene
Romania
Estimate: $12,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Fossil Bison Skull
Bison antiquus
Pleistocene/Holocene
Iowa, USA
Estimate: $3,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Fossil Giant Ground Sloth Claw
Paramylodon harlani
Pliocene/Pleistocene
Florida, USA
(Total: 2 Items)
Estimate: $1,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Fossil Oreodont Skull
Leptauchenia decora
Late Oligocene
Brule Formation
White River Badlands, South Dakota, USA
(Total: 2 Items)
Estimate: $500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Megalodon Shark Tooth
Otodus megalodon
Miocene
Morgan River
South Carolina, USA
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Megalodon Shark Tooth
Otodus megalodon
Miocene
Morgan River
South Carolina, USA
Estimate: $1,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Megalodon Shark Tooth
Otodus megalodon
Miocene
Morgan River
South Carolina, USA
Estimate: $2,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Megalodon Shark Tooth
Otodus megalodon
Miocene
Morgan River
South Carolina, USA
Estimate: $1,500 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
Megalodon Shark Tooth
Otodus megalodon
Miocene-Pliocene
Intercoastal Waterway
Near Savannah, Georgia, USA
Estimate: $3,000 - up.
Open for bidding around 08/05/2026
Auction 8271
Track Item
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