Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Fossilized Shark Tooth
Carcharocles sp. or similar Lamniformes
fossil
Fossilized Insect in Nodular Matrix
Invertebrata / Insecta fossil in sedimentary concretion
fossil
Quartzite with Dendritic Manganese Oxide Inclusions
Metamorphic Quartzite (SiO2 with Mn-oxides)
metamorphic
Fossilized Shark Tooth
Chondrichthyes (Class)
fossil
Sandstone
Arenite (primarily SiO2 with various cementing agents)
sedimentary
Fossilized Shark Tooth (Partial) or Coprolite
Elasmobranchii (fossil) or Coprolite (trace fossil)
fossil
Fossilized Shark Tooth (Fragment) in Matrix
Elasmobranchii (subclass)
fossil
Fossilized Gastropod Steinkern
Class Gastropoda internal mold
fossil
Fossilized Coral (Petoskey Stone type)
Hexagonaria percarinata (Order: Rugosa)
sedimentary
Petoskey Stone
Hexagonaria percarinata
sedimentary
Fossil Coral (Petoskey-style Rugose Coral)
Hexagonaria percarinata (Order: Rugosa)
sedimentary
Travertine
Calcareous Tufa (CaCO3)
sedimentary
Fossilized Bored Limestone
Limestone with Ichnofossils (Gastrochaenolites or Entobia)
sedimentary
Fossilized Gastropod (Snail)
Class Gastropoda (internal mold or 'steinkern')
sedimentary
Fossilized Shark Tooth
Fossilized Elasmobranchii tooth (likely Odontaspis or Carcharias)
sedimentary
Fossilized Shell in Limestone
Bivalve fossil (CaCO3) in Carbonate Sedimentary Rock
sedimentary
Fossilized Rugose Coral
Order Rugosa (Calcium Carbonate - CaCO3)
sedimentary
Fossilized Knightia Fish
Knightia eocaena (set in fossiliferous Micritic Limestone)
sedimentary
Dinosaur Bone (Fossilized)
Permineralized Bone (CaCO3 or SiO2 after Hydroxylapatite)
sedimentary
Fossilized Bone Fragment
Permineralized Vertebrate Fossil (Hydroxyapatite replaced by Minerals)
sedimentary
Fossilized Bone Fragment
Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)
sedimentary
Fossilized Shark Tooth
Scapanorhynchus (Sand Tiger Shark relative)
sedimentary
Calamites (Fossilized Horsetail)
Calamites suckowii (Family: Calamitaceae)
sedimentary
Fossilized Gastropod Shell
Gastropoda (Class)
sedimentary
Fossilized Shark Tooth
Otodus sp. (approximate genus) / Hydroxyapatite fossil
sedimentary
Fossilized Crinoid Stem
Class Crinoidea (Echinodermata)
sedimentary
Fossilized bivalve shell
Bivalvia indeterminate; likely a fossil cockle or clam shell, aragonite/calcite replaced or preserved
fossil
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Palm Wood Fossil
Palmoxylon
fossil
Crinoid Stem Fossil
Class Crinoidea (Sea Lilies)
sedimentary
Fossilized Blastoid (Sea Bud)
Pentremites sp. (Echinodermata, Blastoidea)
fossil
Ammonite Fossil
Ammonoidea (subclass)
fossil
Spondylus Oyster Calcification / Fossilized Oyster
Spondylus (Thorny Oyster) / Calcium Carbonate (CaCO3)
sedimentary
Brachiopod Fossil
Phylum Brachiopoda (Class Rhynchonellata)
sedimentary
Fossil Coral
Phylum Cnidaria / Rugosa or Tabulata
fossil
Fossilized Echinoid Fragment (Calycinal/Boss Fossil)
Echinodermata fossil fragment
fossil
Fossilized Limestone with Crinoid Stem
Carboniferous Limestone (containing Crinoidea ossicles)
fossil
Calamites Fossil (Horsetail Stem)
Calamites (Genus), part of the class Equisetopsida
sedimentary
Fossilized Rugose Coral in Limestone
Order Rugosa in Sedimentary Matrix (CaCO3)
fossil
Chert / Flint (with Crinoid Stem Molds)
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood with Lichen
Silicified Wood (SiO2) colonized by crustose lichens
fossil