Fossiliferous Limestone
Biogenic Sedimentary Rock (CaCO3)
sedimentary
Category
Sedimentary (Fossil)
Browse sedimentary (fossil) specimens identified by the Rock Identifier community.
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Fossiliferous Limestone with Quartz Veining
Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coral Fossil Rock (Syringopora)
Syringopora (Organ-pipe Coral fossil in Limestone matrix)
sedimentary
Coral Fossil (Favosites)
Favosites (Extinct genus of tabulate corals)
sedimentary
Fossilized Syringopora (Piping Organ Coral)
Syringopora (Extinct Genus of Tabulate Coral)
sedimentary
Petrified Wood
Silicified wood (SiO2 - Silicon Dioxide)
sedimentary
Fossilized Shark Tooth
Carcharhinus sp. (likely Bull or Requiem shark family)
sedimentary
Fossilized Tiger Shark Tooth
Galeocerdo cuvier (fossilized hydroxylapatite)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Trilobite Fossil (Flexicalymene)
Flexicalymene ouzregui
sedimentary
Fossilized wood or bone fragment
Indeterminate permineralized organic fossil; possibly silicified wood or fossil bone
fossil
Slate
Slate, a fine-grained metamorphic rock composed mainly of mica-group minerals and quartz
metamorphic
Crinoid Fossil in Limestone
Crinoid columnal (Class Crinoidea) in biomicrite
fossil
Fossil Shell (Bivalve)
Phylum Mollusca, Class Bivalvia
fossil
Sandstone
Sandstone (clastic sedimentary rock)
sedimentary
Crinoid Stem Fossil
Class Crinoidea (Sea Lilies)
sedimentary
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Sandstone
Arenite
sedimentary
Amber (specifically Burmese Amber or Burmite)
Succiniferous fossil resin (C10H16O)
mineraloid
Fossilized Shark Tooth
Chondrichthyes tooth
fossil
Sandstone
Clastic Sedimentary Rock
sedimentary
Fossil-bearing limestone
Bioclastic limestone, chiefly calcite (CaCO₃), with embedded bivalve or brachiopod fossils
sedimentary
Fossiliferous limestone
Calcite-rich carbonate rock (CaCO₃), likely bioclastic limestone
sedimentary
Crinoid Fossil in Chert
Siliceous limestone with Crinoidea fossil (SiO2)
sedimentary
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
fossil
Brachiopod Fossil in Limestone
Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)
sedimentary
Shale or Mudstone River Pebble
Argillaceous sedimentary rock
sedimentary
Fossilized Shark Tooth (Partial)
Elasmobranchii (fossil tooth fragment)
sedimentary
Fossilized Turritella Gastropod (Internal Mold)
Turritella (Fossil Gastropod Crust)
sedimentary
Sandstone Geode
Sedimentary Geode (Silica/Calcite composition)
sedimentary
Light-colored limestone
Calcitic limestone; primarily calcium carbonate (CaCO₃), mineral calcite
sedimentary
Petrified Wood (Silicified Wood)
Silicified fossil wood (SiO2)
metamorphic
Amber
Succiniferous fossil resin (C10H16O)
mineraloid
Shale or Mudstone
Argillaceous sedimentary rock
sedimentary
Fossiliferous Limestone
Calcium Carbonate - CaCO3
sedimentary
Bivalve Fossil (Shell-bearing Sedimentary Rock)
Class Bivalvia (Phylum Mollusca) within a Calcarenite/Sandstone matrix
fossil
Fossilized shell fragment
Indeterminate fossil mollusk; likely a silicified or mineral-replaced bivalve/gastropod fragment
fossil
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
sedimentary
Coprolite
Coprolite
sedimentary
Sandstone
Arenite
sedimentary
Fossiliferous Limestone with Rugose Coral
Lithostrotionella (Limestone Matrix - CaCO3)
sedimentary
Bivalve Fossil (Fossilized Shell)
Class Bivalvia (fossilized in Calcium Carbonate/Aragonite)
fossil