Mineralized Fossil

Possible fossilized bone fragment

Indeterminate mineralized bone; taxon and age cannot be determined from the photo

Fossilized shark tooth

Fossil shark tooth; exact shark species cannot be determined from this image

Fossil bone, possibly a vertebra

Fossilized vertebrate bone; exact taxon cannot be determined from the image

Fossil brachiopod shell

Brachiopoda; likely a ribbed strophomenid or productid brachiopod

Fossil coral in limestone

Fossilized colonial coral, likely tabulate or favositid coral (CaCO₃), preserved in calcitic limestone

Fossil-bearing sedimentary rock (possible bone or shell fossil)

Unidentified fossiliferous sedimentary matrix; exact fossil and host rock cannot be determined from the image

Fossilized coral (possible)

Indeterminate fossil; the image does not show enough diagnostic detail to identify a taxon

Fossilized Bone

Vertebrate fossil (mineralized bone)

Coral Fossil

Anthozoa (order Scleractinia)

Fossilized Horse Tooth

Equus sp. (Tooth)

Fossiliferous limestone, possibly a weathered shell or bone fragment

Calcite (CaCO₃) fossil material in limestone; exact fossil identification is uncertain from the image

Fossilized bivalve shell fragment

Fossil Mollusca, likely a pectinid or related bivalve; exact identification requires the other shell half and locality

Fossilized bivalve or brachiopod fragment

Indeterminate fossil shell, likely calcitic or aragonitic carbonate

Fossilized honeycomb coral

Fossil coral, commonly Favosites or related tabulate coral

Fossil Turtle Shell

Testudines carapace fossil

Silicified fossil shell, likely fossil oyster or clam

Silicified bivalve fossil; shell originally aragonite/calcite, partly replaced by chalcedony (SiO₂)

Probable fossil tooth fragment

Indeterminate fossilized vertebrate tooth; species cannot be identified from this image

Fossil-bearing Sedimentary Rock

Sedimentum cum fossili

Fossil coral (likely colonial/tabulate coral)

Fossilized scleractinian or tabulate coral; calcium carbonate, chiefly CaCO₃ (calcite/aragonite replaced by calcite)

Devil's Toenail (Fossil Oyster)

Gryphaea arcuata (Calcium Carbonate, CaCO3)

Fossil Shark Teeth (likely Sand Tiger Shark)

Carcharias taurus (fossilized dentition)

Tumbled fossil coral or carbonate fossil fragment

Likely fossilized coral, composed mainly of calcite (CaCO₃); exact identification is uncertain from the image

Fossilized Echinoid (Sea Urchin)

Echinoidea (Class)

Fossil fish specimen

Fossilized fish vertebrate, likely an articulated fish impression; exact taxon indeterminate

Fossil shark tooth

Likely fossilized shark tooth, possibly Carcharhinus or a related requiem shark

Fossil coral pebble

Likely fossilized colonial coral, commonly Favosites or a related tabulate coral

Fossiliferous limestone with a coiled gastropod fossil

Gastropod fossil preserved in calcitic limestone; the exact fossil taxon cannot be determined from the image

Fossil coral

Likely colonial rugose coral (e.g., Lithostrotion or Hexagonaria), replaced by calcite

Fossil oyster shell fragment

Fossilized oyster (Ostreidae), composed mainly of calcite (CaCO₃)

Fossil Shark Tooth

Chondrichthyes tooth fossil

Fossil tooth

Mineralized vertebrate tooth; exact animal and species cannot be determined from the image

Orthoceratid Fossil in Limestone

Orthoceras (extinct genus of Nautiloid Cephalopod)

Fossil gastropod shell

Calcareous mollusk shell, chiefly aragonite or calcite (likely a large marine gastropod)

Fossilized Bivalve Shell

Class Bivalvia (fossilized)

Fossilized oyster shell

Ostrea/Exogyra sp.; calcium carbonate (mostly calcite)

Fossil Snail Shell (Embedded in Resin)

Gastropoda fossil

Fossil Coral

Cnidaria fossil (often Calcium Carbonate / CaCO3)

Possible fossilized bone fragment

Fossil bone, composition primarily carbonate-hydroxylapatite [Ca₅(PO₄)₃(OH)]

Petrified wood (possible)

Silicified wood; commonly quartz or chalcedony replacing wood

Fossilized Shark Tooth or Bone Fragment

Vertebrate Fossil (likely Carcharodon or similar genus)

Polished fossil tooth, likely shark tooth

Fossilized selachian tooth; possible sand tiger shark (Carcharias sp.) or related lamniform

Possible fossilized tooth fragment

Indeterminate fossil enamel/dentine; possibly shark tooth fragment