All Fossils

Explore fossils identified by our AI-powered system

Internal Mold of a Gastropod or Chalk Sponge Fragment - Steinkern (internal mold) or body fossil; Invertebrate

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

Internal Mold of a Gastropod (Sea Snail) - Internal Mold (Steinkern) - Invertebrate Body Fossil

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

Fragmentary Dugong or Manatee Rib - Body fossil (vertebrate bone fragment)

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

Petrified Wood Fragment - Body fossil; Petrified/Permineralized plant material (Paleobotanical)

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

Megafuanal Bone Fragment/Whale Bone Fossil - Body fossil; Vertebrate skeletal fragment (Cortical and cancellous bone)

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

Fossilized Bone Fragment - Body fossil (permineralized bone fragment), vertebrate

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

Fossilized Bone Chunk / Ironstone Concretion - Body fossil (indeterminate vertebrate bone fragment) or mineral concretion

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

Petrified Coprolite (Fossilized Dung) - Trace fossil (Ichnofossil); non-mineralized organic waste

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

Enameloid-capped Crocodilian or Fish Tooth (likely Enchodus or small Crocodylomorph) - Vertebrate body fossil (dental element)

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

Pseudo-fossil (River-worn Cobble) - Non-fossil / Geofact; Water-worn sedimentary or metamorphic rock

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

Petrified Wood Fragment - Body fossil (Plant material), Permineralized/Petrified

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

Fossil Shark Tooth (Eroded) - Body fossil, Vertebrate (Chondrichthyes)

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

Silicified Marine Invertebrate Cluster / 'Pudding' or 'Gumball' Chert - Body fossil and mold combination (Invertebrate Marine)

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

Mineralized Bone Fragment / Fossilized Sloth or Whale Bone - Body fossil (Vertebrate), likely permineralized bone

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

Fossilized Shark Tooth fragment or Polished Coprolite - Body fossil (Vertebrate fragment), likely a partial shark tooth or phosphatized bone piece

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

Mineralized Coprolite (Fossilized Dung) - Trace fossil (Ichnofossil) - Coprolite

Mineralized Coprolite (Fossilized Dung) (Cretaceous or Eocene (likely))

Stromatolite - Trace fossil (Organosedimentary structure); Biogenic calcareous structure

Stromatolite (Precambrian (ranging from Archean to Proterozoic))

Carcharocles / Otodus shark tooth (highly weathered) - Body fossil (Vertebrate tooth)

Carcharocles / Otodus shark tooth (highly weathered) (Neogene (Miocene to Pliocene))

Cretaceous Ray Mouth Plate Fragment - Body fossil (vertebrate); Chondrichthyes (cartilaginous fish) dental pavement

Cretaceous Ray Mouth Plate Fragment (Cretaceous Period (likely Late Cretaceous))

Marine Shell Fragment (likely Bivalve or Gastropod) - Body fossil fragment, invertebrate macrofossil

Marine Shell Fragment (likely Bivalve or Gastropod) (Cretaceous to Neogene (likely Neogene/Quaternary))

Encrusting Bryozoan or Fossilized Coprolite Fragment - Body/Trace Fossil, Invertebrate or Ichnofossil

Encrusting Bryozoan or Fossilized Coprolite Fragment (Likely Ordovician to Devonian or Cretaceous/Paleogene depending on...

Fossil Shark Tooth Fragment (Heavily Water-Worn) - Body fossil; Vertebrate (Chondrichthyes)

Fossil Shark Tooth Fragment (Heavily Water-Worn) (Neogene (likely Miocene to Pliocene))

Sea Snail Internal Mold (Steinkern) - Internal Mold (Body Fossil), Invertebrate Gastropod

Sea Snail Internal Mold (Steinkern) (Cretaceous to Paleogene (likely))

Odessitoma or similar Gastropod Steinkern (Internal Mold) - Internal mold (Steinkern); Invertebrate gastropod

Odessitoma or similar Gastropod Steinkern (Internal Mold) (Likely Jurassic or Cretaceous, though some similar forms occu...

Fossil Shark Tooth Fragment or Ray Spine Barbs - Body fossil; Vertebrate micro-fossil remnant

Fossil Shark Tooth Fragment or Ray Spine Barbs (Likely Cretaceous to Neogene (Miocene/Pliocene))

Phyllodont Fish Tooth Segment / Black Petrified Wood Fragment - Permineralized body fossil (Vertebrate tooth plate element or Plant fragment)

Phyllodont Fish Tooth Segment / Black Petrified Wood Fragment (Likely Cretaceous to Neogene)

Fossilized Bone Fragment (likely Megafauna) - Body fossil; vertebrate bone fragment

Fossilized Bone Fragment (likely Megafauna) (Pleistocene to Holocene)

Fossilized Bivalve (Mussel or Clam) - Body fossil, invertebrate, specifically a bivalve mollusk

Fossilized Bivalve (Mussel or Clam) (Likely Cretaceous to Neogene)

Enchodus Tooth Segment or Squalicorax Tooth Fragment (Incomplete) - Body fossil; vertebrate fish/shark remains

Enchodus Tooth Segment or Squalicorax Tooth Fragment (Incomplete) (Cretaceous (Late Cretaceous))

Fossil Shark Spine (Fin Spine fragment) - Body fossil, Vertebrate (Chondrichthyes)

Fossil Shark Spine (Fin Spine fragment) (Carboniferous or Devonian)

Belemnite rostrum (Thunderbolt fossil) - Body fossil; internal calcitic skeleton of an extinct cephalopod (Invertebrate)

Belemnite rostrum (Thunderbolt fossil) (Jurassic to Cretaceous)

Fossilized Bone Fragment - Body fossil; Vertebrate cortical bone fragment

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

Fossilized Bone Fragment - Body fossil (Vertebrate bone element fragment)

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

Agatized Petrified Wood / Silicified Wood Fragment - Body fossil (permineralized plant material); Invertebrate Paleobotany

Agatized Petrified Wood / Silicified Wood Fragment (Likely Cretaceous to Neogene (potentially Jurrasic))

Tabulate Coral (vuggy/eroded specimen) - Body fossil; Invertebrate (Cnidaria)

Tabulate Coral (vuggy/eroded specimen) (Silurian to Devonian)

Non-fossiliferous mineral concretion or weathered stone - Pseudo-fossil; geological mineral aggregate

Non-fossiliferous mineral concretion or weathered stone (Indeterminate; potentially Quaternary surface weathering)

Eroded Shell Fragment with Bioerosion Borings - Trace fossil (ichnofossil) on a body fossil fragment; invertebrate marine mollusk origin

Eroded Shell Fragment with Bioerosion Borings (Likely Holocene to Late Pleistocene)

Ghost Shrimp Dactyl (Claw Finger) - Body fossil; Invertebrate (Arthropod/Crustacean)

Ghost Shrimp Dactyl (Claw Finger) (Cretaceous to Neogene (Commonly found in Pleistocene deposits))

Megalodon or Carcharocles Tooth Fragment / Fossilized Shark Tooth Root - Body fossil, Vertebrate (Chondrichthyes)

Megalodon or Carcharocles Tooth Fragment / Fossilized Shark Tooth Root (Neogene (Miocene to Pliocene))

Weathered Fossil Shark Tooth (fragmentary) - Vertebrate body fossil (tooth); mineralized chondrichthyan remains

Weathered Fossil Shark Tooth (fragmentary) (Likely Neogene to Paleogene (typically Miocene or Eocene))

Weathered Pebble or Pseudofossil - Indeterminate; potentially a weathered body fossil fragment or more likely a geologic pseudofossil/river-worn pebble.

Weathered Pebble or Pseudofossil (Indeterminate (Matrix suggests Paleozoic to Cenozoic context depending on locality).)

Crushing Shark Tooth (or Ray Tooth Battery Fragment) - Body fossil; Vertebrate (Chondrichthyes)

Crushing Shark Tooth (or Ray Tooth Battery Fragment) (Cretaceous to Neogene (likely Miocene or Eocene))