Sandstone with Brachiopod Mold Fossil
Sedimentary rock (Sandstone) with indeterminate Brachiopod mold
fossil
Category
Igneous And Fossil
Browse igneous and fossil specimens identified by the Rock Identifier community.
Learn about Igneous And Fossil in the encyclopedia
View all →
Turritella Agate (Fossiliferous Chert)
Silicified Elimia tenera (Fossiliferous Chalcedony)
sedimentary
Fossiliferous Limestone
Calcium Carbonate (CaCO3) with Biogenic Inclusions
sedimentary
Fossiliferous Chert (Chert with Crinoid Stem Impression)
Chert (SiO2) with fossil Anthozoan or Crinoid columnals
sedimentary
Amber
Succiniferous fossil resin (C10H16O)
gemstone
Amber with Inclusion
Succiniferous fossil resin (C10H16O)
mineraloid
Petrified Wood (Silicified Wood)
Silicified fossil wood (SiO2)
metamorphic
Fossilized Shark Tooth (Partial)
Elasmobranchii (fossil tooth fragment)
sedimentary
Amber
Succiniferous fossil resin (C10H16O)
mineral
Fossilized Turritella Gastropod (Internal Mold)
Turritella (Fossil Gastropod Crust)
sedimentary
Amber
Succiniferous fossil resin (C10H16O)
mineraloid
Amber
Succiniferous fossil resin (C10H16O)
mineraloid
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone
Fossiliferous Calcite (CaCO3)
sedimentary
Fossiliferous Limestone
Limestone (Calcium Carbonate, CaCO3)
sedimentary
Fossil Shell in Sedimentary Matrix
Bivalvia (fossil) in Calcium Carbonate Matrix
sedimentary
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
Brachiopod Fossil
Phylum Brachiopoda (likely Order Rhynchonellida or Spiriferida)
fossil
Orthoceras Fossil
Orthoceras regulare (Extinct Cephalopod)
fossil
Fossilized Crinoid Stem Segment
Crinoid (Phylum Echinodermata, Class Crinoidea)
sedimentary
Fossilized Shark Tooth (Drum Fish Tooth/Pavement Tooth)
Sparidae or Sciaenidae (Crushing plate dental fossil)
fossil
Orthoceras Fossil in Limestone
Orthoceras (extinct genus of cephalopods) in Carboniferous or Devonian Limestone
sedimentary
Fossil Coral
Cnidaria fossil (often Calcium Carbonate / CaCO3)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Crinoid Stem Fossil in Limestone
Crinoidea (class) in Calcium Carbonate (CaCO3) matrix
fossil
Echinoid Fossil (Commonly called a Sea Urchin or Heart Urchin)
Phylum Echinodermata, Class Echinoidea
sedimentary
Echinoid Fossil (Sea Urchin Fossil)
Echinoidea (phylum Echinodermata), often preserved as Calcite (CaCO3)
sedimentary
Bryozoan Fossil
Phylum Bryozoa (commonly known as 'moss animals')
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (Class Rhynchonellata)
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (replaced by Calcite or Silica)
sedimentary
Fossilized Horn Coral
Rugosa (Rugose Coral)
fossil
Petrified Wood
Silicified Wood (SiO2 permineralization)
fossil
Bivalve Fossil (Clam)
Class Bivalvia (e.g., Mercenaria or similar genus), composed of CaCO3 (Aragonite/Calcite)
fossil
Sandstone concretion
Arenite sedimentary rock (concretion/nodule)
sedimentary
Fossil Coral
Coral Limestone (a type of biogenic sedimentary rock)
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