Coral Fossil
Scleractinia (Fossilized Coral)
fossil
Category
Sedimentary (Fossil)
Browse sedimentary (fossil) specimens identified by the Rock Identifier community.
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Sandstone
Arenite (SiO2 based)
sedimentary
Belemnite Fossil
Belemnitida (Order of extinct cephalopods)
sedimentary
Fossil Brachiopod
Phylum Brachiopoda
fossil
Ammonite Fossil (Polished Half / Cleoniceras)
Ammonoidea (Subclass), often Cleoniceras genus; fossilized with Calcite (CaCO3) and Aragonite
Sedimentary
Silicified Snail Fossil
Gastropod (likely replaced by Chalcedony/Quartz - SiO2)
fossil
Fossilized Rugose Coral
Order Rugosa (Calcium Carbonate - CaCO3)
sedimentary
Fossilized Bone Fragment
Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)
sedimentary
Fossilized Coral (Petoskey Stone or similar)
Hexagonaria percarinata (Fossilized Rugose Coral)
sedimentary
Fossilized Shell in Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossil Shark Tooth
Carcharodon sp. (likely Otodus or similar Lamniformes order)
sedimentary
Crinoid Stem Fossils (Indian Beads / St. Cuthbert's Beads)
Crinoid columnal ossicles (phylum Echinodermata)
fossil
Ironstone Concretion
Ironstone (primarily Siderite or Limonite)
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
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Sandstone Pebble
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Fossilized Shark Tooth (Sand Tiger)
Carcharias sp. (Fossilized Tooth)
fossil
Sandstone
Arenite
sedimentary
Fossilized Bivalve Shell (Fossilized Clam)
Bivalvia (class) / CaCO3 (Calcium Carbonate)
fossil
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Bivalve Fossil (Fossilized Shell)
Class Bivalvia (fossilized in Calcium Carbonate/Aragonite)
fossil
Sandstone/Quartzite
Sedimentary Rock (composed mainly of SiO2)
sedimentary
Fossil Coral
Scleractinia (Stony Coral) fossil
fossil
Fossiliferous Limestone with Brachiopods
Calcium Carbonate (CaCO3) with fossilized Brachiopoda sp. (likely Order Spiriferida or Rhynchonellida)
sedimentary
Coprolite
Coprolite
sedimentary
Sandstone
Arenite (SiO2 based typically)
sedimentary
Sandstone with Dendritic Inclusions
Quartzose Sandstone
sedimentary
Fossil Brachiopod Cast (Atrypa species)
Phylum Brachiopoda, Class Rhynchonellata, Order Atrypida
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae)
sedimentary
Ammonite Fossil
Ammonitida (Extinct subclass of Cephalopoda)
sedimentary
Shale
Shale (Lutite)
sedimentary
Fossil Shark Tooth
Selachimorpha (Chondrichthyes dental fossil)
sedimentary
Sandstone with Brachiopod Mold Fossil
Sedimentary rock (Sandstone) with indeterminate Brachiopod mold
fossil