Mosasaur Tooth
Mosasaurus beaugei (Fossilized Tooth)
fossil
Category
Igneous And Fossil
Browse igneous and fossil specimens identified by the Rock Identifier community.
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Mosasaur Tooth Fossil
Mosasauridae (likely Prognathodon or Plioplatecarpus)
fossil
Sandstone with Fossil Leaf Impression
Sedimentary rock (Sandstone/Siltstone matrix) with Carbonaceous film fossil
fossil
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
sedimentary
Fossilized Fish (Lepidotes)
Lepidotes sp. (Order: Lepisosteiformes)
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcedony replacement)
Mineral / Fossil
Fossilized Bone Fragment
Petrified Osseous Material
fossil
Rugose Coral (Horn Coral) Fossil
Order Rugosa (likely Grewingkia or Zaphrentis genus)
fossil
Bivalve Internal Mold Fossil
Steinkern (Bivalvia mold)
fossil
Fossil Shark Tooth
Otodus sp. (likely Otodus obliquus) fossil
fossil
Fossilized Brachiopod
Phylum Brachiopoda (replaced by Calcite/CaCO3)
sedimentary
Fossilized Crab Carapace (Concretion)
Decapoda (fossil), typically preserved in calcite or siderite concretion
sedimentary
Fossilized Brachiopod
Phylum Brachiopoda (Calcium Carbonate/Silica replacement)
sedimentary
Fossilized Shark Tooth
Carcharocles sp. (likely Lemon or Sand Tiger)
sedimentary
Pyrite
Iron Pyrite (FeS2)
mineral
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Fossilized Shark Tooth
Lamniformes (order) fossil
fossil
Fossilized Bivalve Shell
Bivalvia (fossil specimen)
sedimentary
Brachiopod Fossil
Rhynchonellida (Order)
sedimentary
Bivalve Fossil (Brachiopod or Scallop)
Class Bivalvia (or potentially Phylum Brachiopoda)
fossil
Fossilized Brachiopod Shell Fragment
Brachiopoda (Class: Rhynchonellata or Strophomenata)
fossil
Peanut Wood
Petrified Wood (Silicified Araucaria with Teredo boreholes)
fossil
Fossil Shark Tooth
Otodus sp. (Eocene shark fossil)
fossil
Crinoid Stem Fragment
Crinoid (Class Crinoidea)
fossil
Fossilized Echinoid (Sea Urchin)
Echinoidea (Class)
sedimentary
Fossilized Gastropod in Limestone
Gastropoda (Class) in Calcium Carbonate (CaCO3)
sedimentary
Lepidodendron Fossil in Sandstone
Lepidodendron (Lycophytina, Lepidodendrales)
sedimentary
Pyritized Ammonite
Ammonitida (replaced by Iron Disulfide, FeS2)
sedimentary
Mosasaur Tooth Fossil
Mosasaurid vertebrate fossil (Hydroxyapatite)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Fossilized Shark Tooth
Chondrichthyes (Class) - likely Carcharodon or Otodus genus
fossil
Shark Tooth Fossil
Elasmobranchii fossil (likely Carcharias or Odontaspis sp.)
fossil
Petrified Wood
Silicified Wood (SiO2)
fossil
Gastropod Fossil (Snail Internal Cast)
Class Gastropoda (Steinkern)
sedimentary
Silicified Gastropod Fossil (Agatized Fossil)
Gastropoda (Class) preserved in Chalcedony/Quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Earth
Terra / Earth
igneous, sedimentary, and metamorphic
Crinoid Stem Fossil
Class Crinoidea (Echinodermata)
fossil
Sand Tiger Shark Tooth
Carcharias taurus (fossilized)
fossil