Organic Specimen (Fossil)

Fossil Shark Tooth (Cretaceous white shark type)

Squalicorax (commonly known as Crow Shark)

Fossiliferous Limestone with Rugose Coral

Calcium Carbonate (CaCO3) featuring Rugosa (extinct order of solitary and colony corals)

Fish Fossil in Limestone

Lycoptera (likely) in Micritic Limestone

Fossiliferous Sandstone Pebble (with Crinoid / Shell Impression)

Sandstone containing fossiliferous inclusions (SiO2 matrix with calcite/silica cast fossil)

Fossiliferous Sedimentary Rock

Sedimentary Rock with Invertebrate Fossil Imprint

Fossiliferous Limestone

Bioclastic Limestone (Calcium Carbonate, CaCO3)

Limestone Pebble with Crinoid Fossil

Calcium Carbonate (CaCO3) - Fossiliferous Limestone

Petrified Wood

Silicified Wood (SiO2)

Chert (and Fossilized Brachiopod shell)

Sedimentary Cryptocrystalline Quartz (SiO2)

Silicified Gastropod Fossil (Agatized Fossil)

Gastropoda (Class) preserved in Chalcedony/Quartz (SiO2)

Fossilized Shell in Limestone

Carbonate sedimentary rock with Bivalvia or Brachiopoda remains

Fossiliferous Limestone

Biogenic Limestone with Brachiopod/Crinoid fragments

Fossiliferous Limestone

Biogenic Sedimentary Rock (CaCO3)

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with marine fossils

Chert with Crinoid Fossil Impression

Microcrystalline Quartz (SiO2) with Crinoidea fossil impression

Bivalve Fossil (Internal Mold/Steinkern)

Class Bivalvia (Fossilized Mold)

Fossiliferous Limestone

Bioclastic Limestone (CaCO3)

Coquina or Fossiliferous Limestone

Fossiliferous Calcarenite (CaCO3)

Fossiliferous Kalkstein (Marl/Sandstone)

Fossiliferous calcarenite/siltstone

Sandstone with Brachiopod Mold Fossil

Sedimentary rock (Sandstone) with indeterminate Brachiopod mold

Chert (with potential fossil inclusion)

Microcrystalline Quartz (SiO2)

Petrified Wood

Silicified Wood (SiO2)

Chert (containing Fossil Mold)

Silicon dioxide (SiO2)

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Fossil Shark Tooth

Carcharadon sp. (likely Carcharodon carcharias or similar Lamniformes)

Lepidodendron Fossil (Scale Tree)

Lepidodendron

Fossiliferous Limestone with Rugose Coral

Lithostrotionella (Limestone Matrix - CaCO3)

Fossilized Coral (Petrified Coral)

Lithostrotionella (example genus) / Scleractinia

Petrified Wood

Silicified Wood (SiO2)

Fossilized Bone

Permineralized Bone (Vertebrate Fossil)

Limestone with Fossil Fragments

Bioclastic Carbonate Rock (CaCO3)

Fossilized Shark Tooth

Carcharocles sp. (likely Lemon or Sand Tiger)

Amber

Succinite (fossilized tree resin), C10H16O

Fossilized tooth, likely a mammalian tooth fragment

Indeterminate fossil tooth; possibly an ungulate or carnivoran tooth

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Botiroidal Chalcedony or Silicified Fossil Coral

Silicon Dioxide (SiO2) - Chalcedony / Scleractinia (if fossilized)

Fossiliferous Limestone

Biogenic Limestone (Calcium Carbonate, CaCO3)

Limestone with Gastropod Fossil

Sedimentary Calcium Carbonate (CaCO3) with Gastropoda inclusion

Fossiliferous Limestone

Calcium Carbonate (CaCO3) with Biogenic Inclusions

Petrified Wood

Silicified Wood (primarily SiO2)

Limestone with Fossil inclusions

Fossiliferous Limestone (CaCO3)

Petrified Wood

Silicified Wood (SiO2 permineralization)