Rock Identifier

Category

Sedimentary (Fossil)

Browse sedimentary (fossil) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Fossil) in the encyclopedia

Fossil Opal

Fossiliferous Limestone

Fossiliferous Limestone

Bone Opal

Turritella Jasper

Turritella Agate

Turritella Agate

Amber

Petrified Wood

Diatomite

Guano

Conglomerate

Jet

Diatomaceous Earth

Fossilized Bone Chunk (likely Dinosaur or Large Mammal) (Permineralized Fossil Bone) — sedimentary

Fossilized Bone Chunk (likely Dinosaur or Large Mammal)

Permineralized Fossil Bone

Silicified Gastropod Fossil (Agatized Fossil) (Gastropoda (Class) preserved in Chalcedony/Quartz (SiO2)) — sedimentary

Silicified Gastropod Fossil (Agatized Fossil)

Gastropoda (Class) preserved in Chalcedony/Quartz (SiO2)

Fossilized Echinoid (Sea Urchin) or Brachiopod (Echinoidea / Invertebrate Fossil) — fossil

Fossilized Echinoid (Sea Urchin) or Brachiopod

Echinoidea / Invertebrate Fossil

Fossilized Limestone with Crinoid Stem (Carboniferous Limestone (containing Crinoidea ossicles)) — fossil

Fossilized Limestone with Crinoid Stem

Carboniferous Limestone (containing Crinoidea ossicles)

Brachiopod Fossil (Phylum Brachiopoda (likely Order Rhynchonellida or Spiriferida)) — sedimentary

Brachiopod Fossil

Phylum Brachiopoda (likely Order Rhynchonellida or Spiriferida)

Sandstone (Ferruginous) (Clastic sedimentary rock (SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Clastic sedimentary rock (SiO2 with Fe2O3)

Sandstone (Arenite (SiO2 based with mineral cements)) — sedimentary

Sandstone

Arenite (SiO2 based with mineral cements)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Sandstone (Arenite (SiO2 with various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 with various cementing minerals)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Fossilized Gastropod Shell (Class Gastropoda (Fossil)) — sedimentary

Fossilized Gastropod Shell

Class Gastropoda (Fossil)

Bivalve Fossil (Cockle shell) (Class Bivalvia (e.g., Anadara or Veneridae family)) — fossil

Bivalve Fossil (Cockle shell)

Class Bivalvia (e.g., Anadara or Veneridae family)

Shark Tooth Fossil (Chondrichthyes (class) fossilized tooth) — fossil

Shark Tooth Fossil

Chondrichthyes (class) fossilized tooth

Fossil Shell (Bivalve) (Class Bivalvia (fossilized)) — fossil

Fossil Shell (Bivalve)

Class Bivalvia (fossilized)

Fossilized Favosites (Honeycomb Coral) (Favosites (extinct genus of tabulate coral)) — sedimentary

Fossilized Favosites (Honeycomb Coral)

Favosites (extinct genus of tabulate coral)

Sandstone (with carbonaceous plant fragments) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (with carbonaceous plant fragments)

Arenite (composed primarily of SiO2)

Brachiopod Fossil in Sedimentary Matrix (Phylum Brachiopoda in Siltstone/Mudstone matrix) — fossil

Brachiopod Fossil in Sedimentary Matrix

Phylum Brachiopoda in Siltstone/Mudstone matrix

Fossiliferous Limestone (Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (Calcium Carbonate, CaCO3)

Fossil Shell (Phylum Mollusca (Gastropod fossil)) — fossil

Fossil Shell

Phylum Mollusca (Gastropod fossil)

Fossilized Blastoid (Sea Bud) (Pentremites sp. (Echinodermata, Blastoidea)) — fossil

Fossilized Blastoid (Sea Bud)

Pentremites sp. (Echinodermata, Blastoidea)

Fossiliferous Limestone (Biogenic Sedimentary Rock (Calcium Carbonate with Fossils)) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock (Calcium Carbonate with Fossils)

Shale or Slaty Mudstone (Argillaceous sedimentary rock) — sedimentary

Shale or Slaty Mudstone

Argillaceous sedimentary rock

Chert Cobble with Crinoid Fossil (Silica (SiO2) with Crinoid ossicle) — sedimentary

Chert Cobble with Crinoid Fossil

Silica (SiO2) with Crinoid ossicle

Fossiliferous Limestone (Biogenic Sedimentary Rock / CaCO3 with fossil fragments) — sedimentary

Fossiliferous Limestone

Biogenic Sedimentary Rock / CaCO3 with fossil fragments

Limestone (Sedimentary Calcite (CaCO3)) — sedimentary

Limestone

Sedimentary Calcite (CaCO3)

Sandstone Pebbles (Arenite) — sedimentary

Sandstone Pebbles

Arenite

Gastropod Fossil (Snail Internal Cast) (Class Gastropoda (Steinkern)) — sedimentary

Gastropod Fossil (Snail Internal Cast)

Class Gastropoda (Steinkern)

Gastropod Steinkern (Internal Mold Fossil) (Gastropoda (Class); Internal mold or 'Steinkern' composed of Calcium Carbonate (CaCO3) or Sedimentary matrix) — sedimentary

Gastropod Steinkern (Internal Mold Fossil)

Gastropoda (Class); Internal mold or 'Steinkern' composed of Calcium Carbonate (CaCO3) or Sedimentary matrix

Fossil Shell (Invertebrate fossil (Mollusca)) — fossil

Fossil Shell

Invertebrate fossil (Mollusca)

Fossiliferous limestone (Bioclastic limestone, composed mainly of calcite (CaCO₃)) — sedimentary

Fossiliferous limestone

Bioclastic limestone, composed mainly of calcite (CaCO₃)

Limestone Pebble with Crinoid Fossil (Calcium Carbonate (CaCO3) - Fossiliferous Limestone) — sedimentary

Limestone Pebble with Crinoid Fossil

Calcium Carbonate (CaCO3) - Fossiliferous Limestone

Rugose Coral Fossil (Horn Coral) (Order Rugosa (common genera include Zaphrentis or Heliophyllum)) — sedimentary

Rugose Coral Fossil (Horn Coral)

Order Rugosa (common genera include Zaphrentis or Heliophyllum)

Bivalve Fossil (Internal Mold/Steinkern) (Class Bivalvia (Fossilized Mold)) — sedimentary

Bivalve Fossil (Internal Mold/Steinkern)

Class Bivalvia (Fossilized Mold)

Spinosaurus Tooth (Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)) — sedimentary

Spinosaurus Tooth

Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Stromatolite (Biogenic sedimentary rock / Stromatolite) — sedimentary

Stromatolite

Biogenic sedimentary rock / Stromatolite

Crinoid Stem Fossil (Crinoid columnal (Echinodermata)) — fossil

Crinoid Stem Fossil

Crinoid columnal (Echinodermata)

Petrified Coral (Agatized Coral) (Anthozoa (Agatized Fossil)) — sedimentary

Petrified Coral (Agatized Coral)

Anthozoa (Agatized Fossil)

Shale (Shale (Fine-grained clastic sedimentary rock)) — sedimentary

Shale

Shale (Fine-grained clastic sedimentary rock)

Belemnite Fossil (Belemnitida (rostrum)) — fossil

Belemnite Fossil

Belemnitida (rostrum)