Identify Any Fossil in Seconds

Scale Tree Bark (Lepidodendron) (Carboniferous (Pennsylvanian sub-period))

Opalized Wood or Shell Fragment (Jewelry Specimen) (Cretaceous (likely Early Cretaceous to Late Cretaceous))

Mosasaur Humerus (Late Cretaceous (Maastrichtian))

Dinosaur Limb Bone (likely Humeral/Femoral fragment) (Cretaceous (likely Late Cretaceous))

Fossil Shark Tooth Fragment (Neogene (likely Miocene or Pliocene))

Stingray Tail Barb (Tail Spine) (Paleogene to Neogene (likely Eocene to Miocene))

Dorsal Fin Spine (Hybodont Shark) (Cretaceous)

Cretaceous Shark Tooth Fragment or Ray Dental Plate Fragment (Cretaceous to Neogene)

Fossilized Shark Tooth (Eroded) (Neogene (likely Miocene or Pliocene))

Rugose Coral (Horn Coral) (Devonian to Carboniferous (Mississippian))

Solitary Rugose Coral (Horn Coral) (Devonian to Carboniferous (Mississippian/Pennsylvanian))

Prolecanitid Goniatite (Ammonoid) (Carboniferous (Mississippian to Pennsylvanian))

Internal mold of a Heart Urchin (Spatangoid) (Cretaceous (likely Late Cretaceous))

Bryozoan colony (likely Cyclostome or Trepostome) (Upper Ordovician (Cincinnatian))

Stromatoporoid (Ancient Sea Sponge) (Late Ordovician (Richmondian Stage))

Solitary Rugose Coral (Horn Coral) (Late Ordovician)

Crows Foot Shark Tooth / Extinct Mackerel Shark Tooth (Cretaceous (Late Cretaceous) to Paleogene (Eocene))

Fossiliferous Limestone Clast (Shell Fragment) (Uncertain; potentially Paleozoic to Mesozoic era)

Anthropomorphic Plush Simulacrum (Colloquially: 'Squishmallows' Hans the Hedgehog McDonald's Variant) (Holocene Epoch (A...

Florida Fighting Conch (Pleistocene to Holocene)

Felted / Partial Lithic Fragment (Poss. Weathered Bone Fragment) (Indeterminate (Possibly Holocene to Pleistocene contex...

Sand Tiger Shark Tooth (Eocene epoch (of the Paleogene period))

Aura Treated Agate Druzy / Geode Section (Geologically variable (typically Eocene to Miocene for similar Brazilian/Urugu...

Shark Tooth (Sand Tiger Shark or similar) (Cretaceous to Neogene (likely Eocene or Miocene))

Modern Non-Fossilized Bone Fragment (Likely Avian or Small Mammal) (Holocene / Recent)

Petrified Wood Fragment (Broadly Triassic to Jurassic)

Steinkern of a Fossil Gastropod (Prehistoric Snail) (Cretaceous (Upper Cretaceous, likely Coniacian to Campanian))

Internal Mold of a Gastropod or Chalk Sponge Fragment (Cretaceous)

Internal Mold of a Gastropod (Sea Snail) (Neogene to Quaternary (likely Pliocene or Pleistocene))

Fragmentary Dugong or Manatee Rib (Neogene (likely Miocene or Pliocene))

Petrified Wood Fragment (Likely Cretaceous to Neogene (widely variable based on geographic origin))

Megafuanal Bone Fragment/Whale Bone Fossil (Neogene/Pleistocene (likely Miocene to Pliocene))

Fossilized Bone Fragment (Likely Neogene to Quaternary (Miocene to Pleistocene))

Fossilized Bone Chunk / Ironstone Concretion (Likely Cretaceous or Neogene based on typical surface finds)

Petrified Coprolite (Fossilized Dung) (Likely Cretaceous to Eocene)

Enameloid-capped Crocodilian or Fish Tooth (likely Enchodus or small Crocodylomorph) (Late Cretaceous (Campanian-Maastri...

Pseudo-fossil (River-worn Cobble) (Indeterminate; potentially Proterozoic to Cenozoic depending on source bedrock)

Petrified Wood Fragment (Likely Neogene or Paleogene based on common surficial deposits)

Fossil Shark Tooth (Eroded) (Likely Neogene to Paleogene (Miocene or Pliocene))

Silicified Marine Invertebrate Cluster / 'Pudding' or 'Gumball' Chert (Likely Mississippian to Pennsylvanian (Carbonifer...

Mineralized Bone Fragment / Fossilized Sloth or Whale Bone (Pleistocene to Neogene (likely))

Fossilized Shark Tooth fragment or Polished Coprolite (Likely Neogene to Paleogene (Miocene or Eocene))