Sand Tiger Shark Tooth Fossil
Carcharias taurus (fossilized tooth)
fossil
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Fossilized shell fragment
Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment
fossil
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata
sedimentary
Gastropod Fossil
Phylum Mollusca, Class Gastropoda (Calcium Carbonate, CaCO3)
sedimentary
Oyster Shell Fragment
Crassostrea virginica (or related Bivalvia)
fossil
Fossiliferous Limestone
Limestone (Calcium Carbonate - CaCO3)
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (replaced by Calcite or Silica)
sedimentary
Belemnoit Fossil (Thunderstick)
Belemnitida (Internal rostrum)
fossil
Amber (specifically Red or Cherry Amber)
Succinite (Resinite); Chemical formula: C10H16O
Mineraloid
Fossilized shell or bone fragment
Likely bioclast composed mainly of calcium carbonate (calcite/aragonite); exact organism is indeterminate from the image
fossil
Fossilized Shark Tooth
Carcharocles sp. or Striatolamia sp. (Phosphate/Carbonate mineralized Hydroxyapatite)
sedimentary
Kambaba Jasper (Crocodile Jasper)
Fossilized Stromatolite (Cyanobacteria microfossils in silica Matrix)
sedimentary
Porous fossil fragment (possibly fossilized coral or shell)
Unidentified fossil carbonate; likely calcite/aragonite
fossil
Fossiliferous Mudstone / River Pebble
Sedimentary rock with trace fossil or inclusion
sedimentary
Crinoid Fossil Limestone
Crinoidal Limestone (Calcite / CaCO3)
sedimentary
Fossiliferous Limestone (Coquina / Shell Limestone)
Biogenic Limestone (CaCO3)
sedimentary
Geode / Fossilized Gastropod or Shell Cast
Silicon dioxide (Quartz) replacement / fossil mold
sedimentary
Sandstone
Arenite (SiO2 predominantly)
sedimentary
Petoskey Stone
Hexagonaria percarinata
sedimentary
Banded River Rock with Quartz Vein
Siltstone/Greywacke with Quartz (SiO2)
sedimentary
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Fossiliferous Shale (with Vertebrate Bones)
Laminated Mudstone containing Fossilized Bone (Apatite)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone Pebble
Arenite (typically SiO2)
sedimentary
Fossil Coral and Quartz Pebble
Fossilized Anthozoa / Silicon Dioxide (Quartz)
sedimentary
Sandstone
Arenite (composed of SiO2, CaCO3, or iron oxides)
sedimentary
Ferruginous Siltstone or Mudstone
Ferruginous Siltstone / Goethitic Sandstone
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Fossilized Shark Tooth
Carcharocles or Otodus sp. (Micro-fossilized)
sedimentary
Seashell Fragment
Calcium Carbonate (CaCO3) in the form of Aragonite or Calcite
mineral
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with fossil inclusions
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
sedimentary
Ferruginous Sandstone (with ripple marks)
Arenite with Iron-Oxide (Fe2O3) cement
sedimentary
Sandstone
Arenite (Secondary classification based on grain size)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Fossiliferous Flint or Chert with Bryozoan Fossils
Sedimentary cryptocrystalline quartz (SiO2) with fossil inclusions
sedimentary
Petoskey Stone (Fossilized Rugose Coral)
Hexagonaria percarinata
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary