Weathered fossiliferous limestone
Calcite-rich limestone (CaCO₃), possibly bioclastic or micritic limestone
sedimentary
Category
Igneous And Fossil
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Fossilized Echinoid (Sea Urchin)
Echinoidea (Class), often found as calcitic fossils
sedimentary
Polished fossil coral (likely agatized coral)
Fossilized coral; commonly silicified Scleractinia or Tabulate coral, composed mainly of microcrystalline quartz (SiO₂)
fossil
Amber (Copal)
Succiniferous Resin
mineraloid
Fossilized Rugose Coral (Horn Coral)
Order Rugosa
fossil
Fossilized Shark Teeth in Matrix
Cretaceous Chondrichthyes (Shark) remains in Sedimentary Matrix
fossil
Petrified Wood
Silicified wood (primarily quartz replacing organic cellulose)
fossil
Fossiliferous Limestone
Biogenic Sedimentary Rock (CaCO3)
sedimentary
Echinoid Fossil (Fossilized Sea Urchin)
Echinoidea
fossil
Fossil Coral (Rugose / Horn Coral)
Rugosa (Tetracoralla)
fossil
Fossilized Stingray Mouth Plate
Myliobatidae gen. et sp. indet. (e.g., Myliobatis, Aetobatus)
fossil
Petrified Coral (Agatized Coral)
Fossilized Anthozoa (Silicon Dioxide replacement - SiO2)
fossil
Petrified Wood
Silicified Wood (SiO2)
fossil
Petrified Wood
Silicified Wood (SiO2)
fossil
Turtle Stone / Septarian Nodule (Fragment)
Septarian Concretion (Calcite, Aragonite, and Limestone)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Megalodon Shark Tooth
Otodus megalodon
fossil
Megalodon Shark Tooth
Otodus megalodon
fossil
Fossilized Echinoid / Sea Urchin Internal Mold
Echinoidea internal cast (steinkern)
fossil
Petrified Wood
Silicified Wood (SiO2)
fossil
Fossiliferous Limestone (with Coralline Inclusions)
Calcium Carbonate (CaCO3)
sedimentary
Coprolite
Coprolite
sedimentary
Mosasaur Jaw Fossil in Matrix
Mosasaurus (family Mosasauridae) in Phosphate Sandstone
sedimentary
Crinoid Stem Fossil
Class Crinoidea (Phylum Echinodermata), often preserved in Limestone or Calcite (CaCO3)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Stromatolite (Fossiliferous Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossilized Tabulate Coral (Honeycomb Coral)
Favosites (Order: Tabulata)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Crinoid Stem Fossil
Crinoid columnal (Class Crinoidea)
sedimentary
Fossil Shark Tooth (Cretaceous white shark type)
Squalicorax (commonly known as Crow Shark)
Organic specimen (fossil)
Fossiliferous Limestone (Coquina)
Calcite (CaCO3) with Bioclastic inclusions
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Polished orbicular granite (likely larvikite or gabbroic granite)
Granite-group rock; chiefly feldspar, quartz, and dark pyroxene/amphibole minerals
igneous
Fossilized Coral
Rugose coral / Tabulate coral (Calcium carbonate, CaCO3)
fossil
Weathered limestone fragments
Limestone, primarily calcite (CaCO₃)
sedimentary
Slate with Fossiliferous Impressions
Metamorphosed Argillaceous Rock (Fossiliferous Slate)
metamorphic
Weathered limestone
Calcitic limestone, mainly calcium carbonate (CaCO₃)
sedimentary
Ferruginous Sandstone Concretion (Ironstone Phosphorite)
Ferruginous Sandstone (variable Fe-oxide/hydroxide composition)
sedimentary
Fossilized Oyster Shell
Ostreidae (Calcium Carbonate - CaCO3)
fossil
Fossiliferous Sandstone
Fossiliferous Arenite
sedimentary
Fossil Shark Tooth (Sand Tiger or Mackerel Shark)
Carcharias sp. or Otodus sp. replaced by Hydroxylapatite/Calcium Carbonate
sedimentary