Sandstone (with potential Concretion or Fossil fragment)
Arenite (primarily SiO2)
sedimentary
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)
mineral
Ammonite Fossil
Ammonoidea
fossil
Calligraphy Stone
Mariam Jasper (Fossiliferous Limestone with Hematite and Iron)
sedimentary
Amber
Succinite (a fossilized organic resin)
mineral
Sandstone
Sedimentary Rock (Quartz arenite)
sedimentary
Crinoid Fossil in Limestone
Crinoidea (Phylum Echinodermata) in Calcite Matrix (CaCO3)
fossil
Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
fossil
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Belemnoidea (Belemnite Guard)
Belemnitida (calcitic rostrum)
sedimentary
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata
sedimentary
Fossilized Tiger Shark Tooth
Galeocerdo cuvier (fossilized hydroxylapatite)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Coral)
sedimentary
Petrified Palmwood
Palmoxylon (fossilized monocot xylem)
sedimentary
Bivalve Fossil (Internal Mold/Steinkern)
Class Bivalvia (Fossilized Mold)
sedimentary
Spinosaurus Tooth
Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)
sedimentary
Bivalve Fossil (Clam)
Class Bivalvia (e.g., Exogyra or Gryphaea species)
fossil
Ammonite Fossil
Ammonoidea (typically preserved as Calcite or Aragonite)
sedimentary
Fossil Sea Urchin (Echinoid)
Echinoidea fossil (often replaced by silica or calcite)
fossil
Limestone (Flagstone)
Fossiliferous Limestone (CaCO3)
sedimentary
Fossilized Bone
Permineralized Vertebrate Bone
fossil
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Dendritic Limestone
Calcite with Manganese Oxide (Manganese Dendrites)
sedimentary
Tree Agate
Dendritic Chalcedony (SiO2)
sedimentary
Fossilized Coral (Petrified Coral)
Anthozoa (Scleractinia)
sedimentary
Fossiliferous Limestone
Biogenic Limestone (CaCO3 with fossil fragments)
sedimentary
Amber
Succinates (Fossilized Tree Resin)
fossil
Amber / Copal
Succinite (fossilized tree resin)
mineraloid
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Kambaba Jasper (Crocodile Jasper)
Stromatolite (Fossilized Algae within Microcrystalline Quartz), SiO2
sedimentary
Seashell Fragment
Calcium Carbonate (CaCO3) in the form of Aragonite or Calcite
mineral
Dinosaur Claw (Dromaeosaurid)
Dromaeosaurid ungual (potential Deinonychus or Velociraptorine)
fossil
Amber
Fossilized Tree Resin (Succinate)
mineral
Fossilized Coral (Petoskey Stone / Chain Coral)
Scleractinia (Order) / Halysites (Genus for Chain Coral types)
sedimentary
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Fossilized Rugose Coral (Petoskey Stone precursor)
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Fossiliferous Shale
Carbonaceous Shale (with potential plant/aquatic fossils)
sedimentary
Fossil Coral
Scleractinia (fossilized calcium carbonate)
sedimentary
Stromatolite
Cyanobacteria fossilized formation (CaCO3)
sedimentary