Fossil ammonite
Ammonoidea; likely a chambered ammonite mold/cast
fossil
Category
Fossil
Browse fossil specimens identified by the Rock Identifier community.
Fossil tooth
Mineralized vertebrate tooth; exact animal and species cannot be determined from the image
fossil
Fossil brachiopod
Brachiopoda; likely a spiriferid or strophomenid brachiopod
fossil
Fossil ammonite
Ammonoidea; likely a chambered ammonite mold/cast
fossil
Ammonite fossil
Fossilized ammonoid cephalopod; likely an involute ammonite, exact genus/species indeterminate
fossil
Ammonite fossil
Fossilized ammonoid cephalopod; likely an indeterminate Jurassic–Cretaceous ammonite
fossil
Fossil Coral
Scleractinia or Anthozoa (Fossilized)
fossil
Triceratops Fossil
Triceratops horridus
fossil
Ammonite Fossil
Ammonoidea (subclass)
fossil
Brachiopod Fossil
Phylum Brachiopoda
fossil
Orthoceras fossil
Orthoceras regulare (Cephalopoda, Orthocerida)
fossil
Coral Fossil
Anthozoa (order Scleractinia)
fossil
Orthoceras Fossil
Orthoceras sp. (Extinct genus of nautiloid cephalopod)
fossil
Ammonite fossil
Ammonoidea; likely a polished small ammonite, possibly Cleoniceras
fossil
Bivalve Fossil
Bivalvia (Phylum Mollusca)
Fossil
Ammonite fossil
Fossilized ammonoid cephalopod, commonly classified within Ammonoidea
fossil
Brachiopod Fossil
Phylum Brachiopoda (likely Order Rhynchonellida or Spiriferida)
fossil
Orthoceras Fossil
Orthoceras regulare (Extinct Cephalopod)
fossil
Fossil Coral
Coral Limestone (a type of biogenic sedimentary rock)
Sedimentary
Belemnite Fossil
Belemnitida (Order of extinct cephalopods)
sedimentary
Belemnite Fossil
Belemnitida (extinct order of Cephalopods)
sedimentary
Fossil Coral
Scleractinia (Anthos), primarily Calcium Carbonate (CaCO3)
sedimentary
Ammonite Fossil
Ammonoidea (typically preserved as Calcite CaCO3 or Pyrite FeS2)
sedimentary
Goniatite Fossil
Goniatitida (Order), fossilized in limestone/calcite (CaCO3)
sedimentary
Fossil Coral
Fossilized Scleractinia or Tabulata (various genera/species)
Sedimentary
Coral Fossil
Scleractinia (Fossilized Coral)
fossil
Seashell Fossil
Invertebrate Bivalve / Gastropod Fossil (Calcium Carbonate, CaCO3)
fossil
Seashell Fossil
Mollusca (Bivalvia)
fossil
Fossil Coral
Rugosa or Tabulata / Hexacorallia (replaced with silica or calcite)
fossil
Ammonite Fossil
Ammonoidea
fossil
Flint with Fossil
Silicon dioxide (SiO2) microcrystalline quartz with fossiliferous inclusions
sedimentary
Fossil Coral
Scleractinia (Fossilized Coral)
fossil
Crinoid Fossil
Crinoidea (Echinodermata)
fossil
Fossil Coral
Scleractinia / Rugosa (Silicified Coral)
fossil
Fossil Coral
Hexagonaria or Rugose Coral (Fossilized Calcium Carbonate / Silica)
fossil
Fossil Coral
Hexagonaria or Rugose coral fossil in limestone/silica matrix
fossil
Fossil Coral
Cnidaria fossil (often Calcium Carbonate / CaCO3)
sedimentary
Ammonite Fossil
Ammonoidea (primarily composed of Calcite, CaCO3, or Pyrite)
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (Class Rhynchonellata)
sedimentary
Ammonite Fossil
Ammonoidea (Calcium carbonate - CaCO3)
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (replaced by Calcite or Silica)
sedimentary
Ammonite Fossil
Ammonitida (Extinct subclass of Cephalopoda)
sedimentary