Shark Tooth Fossil
Vertebrate fossilized tooth (Chondrichthyes)
fossil
Category
Organic Specimen (Fossil)
Browse organic specimen (fossil) specimens identified by the Rock Identifier community.
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Fossil Coral
Rugose or Tabulate Coral Fossil (CaCO3 replacement)
fossil
Petrified Wood
Silicified Wood (mainly Quartz/Chalcedony, SiO2)
fossil
Shark Tooth Fossil
Carcharocles megalodon or similar fossilized shark tooth
fossil
Petrified Wood
Silicified Wood (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Fossilized Coral
Hexagonaria (Rugose coral) / Calcium Carbonate (CaCO3)
fossil
Fossilized Shell in Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossilized Tooth Fragment
Vertebrate Fossil (Mammalia indet.)
fossil
Sandstone with Trace Fossils
Quartz Arenite with Bioturbation (Trace Fossils)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone (with Crinoids/Coral)
Fossiliferous Limestone (CaCO3)
sedimentary
Fossiliferous Limestone
Calcium carbonate (CaCO3) matrix with fossil inclusions
fossil
Limestone Pebble
Sedimentary carbonate rock (CaCO3)
sedimentary
Fossilized Vertebra
Chordata fossil (Vertebra)
fossil
Ironstone Concretion (Limonite/Goethite)
Goethite/Limonite concretion (FeO(OH)·nH2O)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (CaCO3 with fossil fragments)
sedimentary
Fossil Shark Tooth
Carcharodon sp. (likely Otodus or similar Lamniformes order)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Limpets Shell / Fossil Specimen
Patellogastropoda (Class)
fossil
Sandstone Concretion
Limonitic Sandstone Concretion
sedimentary
Fossil Shark Tooth
Chondrichthyes (class)
fossil
Fossilized Crab Carapace (Concretion)
Decapoda (fossil), typically preserved in calcite or siderite concretion
sedimentary
Petrified Wood
Silicified Wood (SiO2 as Quartz/Chert/Chalcedony)
sedimentary
Fossilized Bone
Petrified Bone / Biogenic Sedimentary
fossil
Fossil Assortment and Geological Specimens
Various (including Ammonoidea)
fossil
Fossiliferous Limestone
Biogenic Sedimentary Rock (primarily CaCO3)
sedimentary
Fossiliferous Limestone Pebble
Calcite-rich Fossiliferous Marine Limestone
fossil
Fossilized Echinoid (Sea Urchin)
Echinoidea (Fossil)
sedimentary
Petrified Wood
Siliconized Wood (SiO2)
sedimentary
Fossiliferous Chert or Agate
Microcrystalline quartz (SiO2) with fossiliferous inclusions
sedimentary
Petrified Wood
Silicified Wood (primarily Quartz/SiO2)
fossil
Fossilized Bone Fragment
Petrified Osseous Material
fossil
Fossilized Shell
Invertebrate fossil (Bivalvia or Brachiopoda)
fossil
Fossil Shark Tooth
Chondrichthyes tooth fossil
fossil
Seashell Fragment
Calcium carbonate (CaCO3) - primarily Aragonite or Calcite
fossil
Weathered limestone fragment
Calcitic limestone (mostly CaCO₃; possibly micritic limestone)
sedimentary
Fossilized Bone
Permineralized Vertebrate Fossil
sedimentary
Fossiliferous Limestone
CaCO3 (with biological inclusions)
sedimentary
Orthoceras Fossil in Limestone
Orthoceras (extinct genus of cephalopods) in Carboniferous or Devonian Limestone
sedimentary
Fossilized Shark Tooth
Chondrichthyes tooth
fossil
Coral Skeleton (Scleractinia)
Aragonite (CaCO3) biomineralisation within Anthozoa
fossil