Mineralized Fossil

Petrified Wood

Silicified Wood (Quartzo-feldspathic fossil wood)

Fossil brachiopod

Brachiopoda; likely a spiriferid or strophomenid brachiopod

Fossil shell fragment, likely brachiopod or bivalve

Indeterminate fossilized carbonate shell; possibly Spiriferida (brachiopod)

Fossil coral or stromatoporoid fragment

Likely fossilized colonial coral; exact taxon cannot be determined from the photograph

Fossilized shell fragment, likely brachiopod or bivalve

Calcareous fossil; commonly calcite/aragonite (CaCO₃), but exact taxon is uncertain from the image

Fossil coral limestone

Fossilized colonial coral, commonly tabulate or rugose coral in calcite-rich limestone (CaCO₃)

Goniatite Fossil

Order Goniatitida

Fossilized tooth, likely mammalian molar

Indeterminate Mammalia; mineralized dentine and enamel

Spinosaurid Dinosaur Tooth

Spinosaurus aegyptiacus (fossilized)

Ammonite fossil

Fossilized ammonoid cephalopod; likely an indeterminate Jurassic–Cretaceous ammonite

Fossil shark tooth

Likely fossilized shark tooth, possibly Carcharhinus or Otodus species

Fossil bone fragment

Fossilized vertebrate bone; exact taxon undetermined

Fossil ammonite

Ammonoidea; likely a small, weathered ammonite or ammonoid internal mold

Likely petrified wood

Silicified wood; fossilized plant tissue, commonly replaced by quartz (SiO₂)

Fossilized coral fragment

Fossil scleractinian coral; commonly calcite/aragonite replaced by calcite (CaCO₃)

Fossil bivalve shell

Fossilized or partially mineralized bivalve; exact genus cannot be determined from the image

Polished petrified wood

Silicified wood; commonly quartz/chalcedony (SiO₂) replacing wood tissue

Polished fossiliferous agate

Chalcedony (microcrystalline SiO₂), likely fossil-bearing agate

Fossil Coral

Hexagonaria / Rugosa / Scleractinia

Likely fossilized shell or bone fragment

Indeterminate bioclast; possibly silicified/bioapatite-bearing shell or bone

Fossil ammonite fragment

Ammonoidea (likely a small heteromorph or coiled ammonite; exact genus indeterminate)

Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth)

Sparidae or Sciaenidae (Crushing plate dental fossil)

Fossilized tooth, likely mammalian molar

Silicified or mineral-replaced mammalian tooth; exact taxon cannot be determined from the image

Fossilized Echinoid

Echinoidea (likely of the order Echinoidea)

Ammonite Fossil

Ammonoidea (subclass)

Possible fossil tooth or bone fragment

Indeterminate fossilized vertebrate material; species cannot be identified reliably from this image

Polished fossil shell fragment

Fossilized bivalve or gastropod shell, likely calcitic/aragonitic carbonate

Crinoidean Fossil (Stem Fragment)

Phylum Echinodermata, Class Crinoidea

Fossil tooth or shell fragment (likely fossilized reptile/dinosaur tooth fragment)

Indeterminate vertebrate dental fossil; mineralized hydroxyapatite replaced or infilled by silica/carbonate

Fossilized shell, likely gastropod or bivalve

Recrystallized carbonate fossil; original shell likely aragonite or calcite (taxon indeterminate)

Weathered limestone pebble

Micritic limestone, primarily calcite (CaCO₃)

Fossilized shell or bone fragment

Indeterminate biogenic carbonate/phosphate fossil; likely a fragment of fossil shell or small vertebrate bone

Fossilized coral or stromatoporoid

Calcitic fossil carbonate, possibly tabulate coral (order Favositida) or stromatoporoid

Spinosaurus fossil (permineralized bone)

Spinosaurus aegyptiacus (Calcium phosphate mineralized with silica/sediment)

Fossilized tooth or bone fragment

Indeterminate fossil; possibly a small fossil tooth or mineralized bone, exact identification requires microscopy

Fossil tooth fragment

Likely fossilized shark tooth or marine vertebrate tooth; exact taxon cannot be determined from the image

Fossilized bone fragment

Petrified vertebrate bone; mineralized hydroxyapatite replaced or infilled by silica/carbonates

Fossil shell fragment, likely bivalve or brachiopod

Indeterminate fossilized mollusk/brachiopod; commonly calcite (CaCO₃)

Fossilized bivalve shell

Fossil Mollusca; likely a cemented or infaunal bivalve, possibly oyster or clam

Ammonite Fossil

Ammonoidea (subclass)

Fossil coral (likely tabulate or colonial coral)

Fossilized colonial coral; exact genus indeterminate from the photograph

Fossil coral (probable colonial/tabulate coral)

Fossilized coral; likely Tabulata or a scleractinian coral