Fossilized Shark Tooth
Carcharhinus sp. (likely Bull or Requiem shark family)
sedimentary
Category
Organic Specimen (Fossil)
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Fossilized Ripple Marks or Stromatolite
Sedimentary ripple mark imprint / Biosedimentary structure
fossil
Fossilized Coral (Rugose or Tabulate) or Stromatolite
Phylum Cnidaria / Stromatolithus
fossil
Amber
Succinite (C10H16O)
mineral
Limestone
Calcium carbonate (CaCO3)
sedimentary
Fossiliferous Shale
Fossiliferous Mudstone / Shale
sedimentary
Amber in Matrix
Succinite (Carbon-based organic polymer)
Organic (Sedimentary context)
Banded Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Fossil-bearing limestone, likely coral or shell limestone
Bioclastic calcarenite/calcirudite; predominantly calcium carbonate (CaCO₃), commonly calcite
fossil
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Amber
Succinate (Fossilized Tree Resin)
fossil
Fossil Shark Tooth Fragment
Elasmobranchii dentition (fragment)
fossil
Petrified Wood (Black / Carbonized)
Silicon Dioxide (Quartz/Chalcedony replacing Organic Matter)
fossil
Fossiliferous Limestone
Fossiliferous Carbonate Rock (CaCO3)
sedimentary
Petrified Coral (Agatized Coral)
Fossilized Anthozoa (Silicon Dioxide replacement - SiO2)
fossil
Fossilized Echinoid (Sea Urchin)
Echinoidea (Class)
sedimentary
Fossil gastropod shell
Calcareous mollusk shell, chiefly aragonite or calcite (likely a large marine gastropod)
fossil
Fossiliferous limestone
Bioclastic carbonate rock, primarily calcite (CaCO₃)
sedimentary
Petrified Wood
Silicified wood (Quartz, Chalcedony, or Opal)
sedimentary
Polished plume agate
Chalcedony (microcrystalline SiO₂) with iron-oxide inclusions
mineral
Fossilized Shark Tooth
Eocene Lamniformes (Mackerel Shark clade)
fossil
Mosasaur Jaw Fossil in Matrix
Mosasaurus (family Mosasauridae) in Phosphate Sandstone
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Amber (Copal)
Succiniferous Resin
mineraloid
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3) - Bioclastic Limestone
sedimentary
Petrified Wood
Silicon Dioxide (SiO2)
fossil
Sandstone Concretion
Arenaceous concretion (primarily SiO2 with Fe2O3 staining)
sedimentary
Fossilized Bone (Petrified Bone)
Permineralized Vertebrate Remains
sedimentary
Tumbled amber
Fossilized tree resin; predominantly polymerized diterpenoid resin (succinite when Baltic-type)
fossil
Shark Tooth Fossil
Carcharhiniformes or Lamniformes (order level fossil)
fossil
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2 - Silicon Dioxide)
sedimentary
Fossilized Shark Tooth
Elasmobranchii (fossilized matrix/root section)
fossil
Fossilized coral or bryozoan limestone
Calcitic fossiliferous limestone; likely colonial coral/bryozoan fragments, CaCO₃
fossil
Polished fossiliferous limestone, likely crinoidal or coral limestone
Calcite (CaCO₃), fossiliferous carbonate rock
fossil
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Fossiliferous Limestone (Coquina / Shell Limestone)
Biogenic Limestone (CaCO3)
sedimentary
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, SiO2)
fossil
Shark Tooth Fossil
Chondrichthyes (shark) tooth
fossil
Limestone pebble
Sedimentary rock composed mainly of calcium carbonate (CaCO3)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Fossilized Bivalve Shell (Fossilized Clam)
Bivalvia (class) / CaCO3 (Calcium Carbonate)
fossil