All Fossils

Undetermined Invertebrate Fragment in Rock Matrix (Paleozoic or Mesozoic (indeterminate from current visual data))

Fossilized Colonial Coral and Brachiopod Assemblage (Devonian to Carboniferous (Paleozoic Era))

Quartz Geode / Fossil Infill Specimen (Mississippian / Devonian)

Rugose Coral (Horn Coral) (Devonian to Carboniferous)

Rugose Coral (Horn Coral) (Devonian (or potentially Ordovician to Permian))

Fossiliferous Limestone Rock / Invertebrate Hash (Paleozoic or Mesozoic (commonly Silurian/Devonian or Ordovician))

Dinosaur Gastrolith (Mesozoic Era, likely Cretaceous or Jurassic)

Modern or Subfossil Long Bone Fragment (Quaternary (Holocene / Modern))

Fossilized Shark Tooth Fragment / Otodus Tooth (Neogene (Miocene to Pliocene epochs))

Fossilized Oyster Shell (Cretaceous)

Brachiopod Fossil (Ordovician to Devonian (likely Paleozoic era))

Unidentified Fossil Fragment / Mineralized Rock Matrix (Unknown / Undetermined)

Weathered Geodized Coral or Bryozoan Fragment (Paleozoic (likely Devonian or Carboniferous))

Rudist Bivalve Internal Mold (Cretaceous)

Rudist Bivalve Internal Mold (Steinkern) (Cretaceous)

Rudist Bivalve Internal Mold (Steinkern) (Cretaceous)

Hagfish or Invertebrate Burrow Cast (Glossifungites ichnofacies) / Weathered Limestone Geifact (Cretaceous)

Rhabdocidaris / Cidaris Echinoid Spine Fragment (or non-fossil animal claw/horn sheath) (Late Jurassic to Cretaceous (if...

Eastern Oyster Shell / Modern Oyster Shell (Non-Fossil) (Holocene / Anthropocene (Recent to Very Late Quaternary))

Fossil Oyster Shell (Exogyra / Gryphaea / Ostrea species) with associated belemnite or bullet-like artifact/feature (Cre...

Sea Turtle Skull (Modern Bone / Osteological Specimen) (Holocene / Recent (Modern))

Crucifix Catfish Neurocranium (Modern Bone / Non-Fossil) (Holocene / Recent (Modern))

Eroded Pebble / Pseudofossil (Pareidolia Stone) (Indeterminate (Recent weathering of pre-existing sedimentary rock))

Fossil Sea Urchin Internal Mold (Echinoid Flint Cast / 'Witch's Stone') (Late Cretaceous)

Steinkern of a Bivalve (Fossil Shell Cast) (Cretaceous / Jurassic (likely Paleozoic to Mesozoic))

Ammonite External Mold / Impression (Jurassic to Early Cretaceous)

Ammonite (Partial Whorl Imprint/Cast) (Jurassic to Early Cretaceous (likely Lower Cretaceous or Upper Jurassic based on ...

Fossilized Sponge / Invertebrate Impression Fragment (Jurassic (likely Upper Jurassic / Kimmeridgian - Tithonian, given ...

Not a Fossil (Modern Domestic Pig Rib Bones and Remains) (Holocene (Anthropocene / Present Day))

Ammonite (Jurassic to Early Cretaceous)

Horn Coral (Rugose Coral) (Middle to Upper Ordovician)

Silicified Stromatoporoid or Colonial Coral / Pseudofossil Epikarst Geode Structure (Middle to Upper Ordovician)

Phosphate-Enriched Fossiliferous Phosphorite Nodule / Fossil Conglomerate (Middle to Upper Ordovician (Caradoc / Sandbia...

Non-fossilized Mineral Specimen (Quartz / Quartzite Rock) (Indeterminate (Precambrian to Cenozoic geological origin depe...

Fossil Scleractinian Coral (Brain Coral / Star Coral) (Neogene to Quaternary (Pleistocene - Holocene))

Fossilized Colonial Coral (Honeycomb / Brain Coral type) (Neogene to Quaternary (Pleistocene) / possibly late Mesozoic t...

Polished Petrified Wood Fragment (Silicified/Jasperized Wood) (Triassic to Jurassic (or Late Carboniferous to Cretaceous...

Red Jasperized Petrified Wood Fragment (Triassic to Jurassic Period (commonly Upper Triassic))

Baltic Amber (Fossil Resin) / Carnelian Chalcedony Specimen (Eocene (Paleogene Period))

Modern Frog Shell / Murex Gastropod Shell (Non-Fossil/Recent Shell) (Holocene / Recent (Modern era))

Frog Shell / Fossilized Gastropod Shell (Bursa/Tutupha species) (Neogene to Quaternary (Miocene to Holocene / Recent))

Petrified Wood (Polished Specimen) (Triassic to Paleogene (commonly Late Triassic Chinle Formation or Eocene Green River...