Ammonite fossil
Fossilized ammonoid cephalopod; likely an ammonite such as *Ammolytoceras* or a related Jurassic–Cretaceous genus
fossil
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Igneous And Fossil
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Ammonite Fossil
Ammonoidea (Calcium carbonate or Pyrite replacement)
sedimentary
Ammonite fossil
Ammonoidea (coiled cephalopod fossil; exact genus indeterminate)
fossil
Fossil coral
Fossilized colonial coral, likely honeycomb or branching coral (order Tabulata or Scleractinia); exact genus is indeterminate from the image
fossil
Fossil trilobite
Trilobita (likely a spiny or enrolled trilobite; exact genus unclear)
fossil
Fossil ammonite
Ammonoidea (likely a ribbed, involute ammonite; exact genus requires locality and preservation details)
fossil
Ammonite fossil
Ammonoidea (likely an involute ammonite; exact genus requires preparation and context)
fossil
Ammonite fossil
Fossilized ammonoid cephalopod; likely an ammonite such as Desmoceras or similar Jurassic–Cretaceous form
fossil
Ammonite fossil
Ammonoidea; likely a Jurassic or Cretaceous ammonite
fossil
Trilobite fossil
Fossilized trilobite; exact genus/species indeterminate
fossil
Fossil Coral
Anthozoa (Scleractinia)
fossil
Coral Fossil
Scleractinia (Class Anthozoa)
fossil
Ammonite Fossil
Ammonoidea (subclass)
fossil
Gastropod Fossil
Phylum Mollusca, Class Gastropoda
fossil
Coral Fossil
Anthozoa (Scleractinia)
fossil
Calamites fossil
Calamites (extinct genus of arborescent horsetails)
fossil
Orthoceras Fossil
Orthoceras regulare (Class Cephalopoda, Order Orthocerida)
fossil
Brachiopod Fossil
Phylum Brachiopoda (poss. Order Spiriferida or Rhynchonellida)
fossil
Fossil Shell
Phylum Mollusca (Bivalvia or Brachiopoda)
fossil
Fossil Coral
Hexagonaria or Rugose coral fossil (replaced by silica/chalcedony)
fossil
Orthoceras Fossil
Orthoceras regulare
fossil
Gastropod Fossil
Class Gastropoda (fossilized)
fossil
Stromatolite Fossil
Stromatolite (Cyanobacteria biogenic sedimentary structure)
fossil
Ammonite Fossil
Ammonoidea
fossil
Fossil Coral
Rugosa or Tabulata coral fossil (Calcium Carbonate, CaCO3)
fossil
Fossil Coral
Hexagonaria or Rugose Coral (petoskey stone / fossilized rugose or tabulate coral)
fossil
Fossil Coral
Hexagonaria (Rugose coral) / Rugosa
fossil
Fossil Coral
Hexagonaria / Rugose coral (Fossilized calcium carbonate)
fossil
Fossil Coral
Hexagonaria or similar rugose/tabulate coral fossil (Calcium Carbonate, CaCO3)
fossil
Fossil Coral
Rugosa or Tabulata coral fossil (Calcite/Silica replacement)
fossil
Fossil Coral
Scleractinia (Fossilized Hexacoral)
fossil
Fossil Coral
Hexagonaria (or Rugose/Tabulate coral fossilized in calcium carbonate)
fossil
Limestone with Fossil
Sedimentary limestone, calcium carbonate (CaCO3)
sedimentary
Fossil Coral
Phylum Cnidaria / Scleractinia
fossil
Belemnite Fossil
Belemnitella sp. (rostrum)
fossil
Brachiopod Fossil
Brachiopoda (Phylum); often Atrypa or Mucrospirifer genus depending on locality
fossil
Fossil Coral
Tabulate Coral (potentially Favosites or Calapoecia)
fossil
Murex Fossil
Muricidae (Calcium Carbonate fossilization)
fossil
Ammonite Fossil
Ammonoidea (subclass)
sedimentary
Ammonite Fossil
Ammonoidea (primarily composed of Calcite, CaCO3)
sedimentary
Fossil Coral
Scleractinia (fossilized calcium carbonate)
sedimentary
Ammonite Fossil
Ammonoidea (subclass)
sedimentary