Fossilized Shark Tooth (Fragment)
Elasmobranchii (fossilized tooth)
fossil
Category
Sedimentary (Fossilized)
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Shark Tooth Fossil
Elasmobranchii dentition (fossilized)
fossil
Petrified Bone Pebble
Silicified Fossilized Bone
fossil
Amber
Succinite (fossilized resin)
mineral
Amber
Succinite (fossilized resin)
Organic Mineraloid
Amber
Succinates (Fossilized Resin)
mineral
Amber
Succinite (fossilized resin)
mineral
Amber
Succinite (fossilized resin)
Mineral
Amber
Succinite (fossilized resin)
mineral
Fossil Coral
Fossilized Scleractinia or Tabulata (various genera/species)
Sedimentary
Goniatite Fossil
Goniatitida (Order), fossilized in limestone/calcite (CaCO3)
sedimentary
Stromatolite (Jasper-replaced)
Fossilized Stromatolite (Cyanobacteria / Cryptozon / Silica SiO2)
sedimentary
Fossilized Wood / Petrified Wood
Petrified Wood (Silicified Flora)
fossil
Mookaite Jasper
Silicified Radiolarite (SiO2)
sedimentary
Fossilized Horn Coral
Rugosa (Rugose Coral)
fossil
Fossiliferous Shale or Slate with Plant Fossils
Fossil-bearing argillaceous rock
Sedimentary/Metamorphic
Fossil Coral
Rugose Coral or Tabulate Coral (Phylum Cnidaria)
fossil
Likely vertebra fossil or bone fragment
Indeterminate fossilized vertebra; mineralized hydroxyapatite, commonly Ca₅(PO₄)₃(OH)
fossil
Fossil Coral (Petoskey Stone or Favosites)
Favosites (specifically Hexagonaria percarinata if silica-replaced Michigan type)
sedimentary
Sandstone (likely Fossilized Wood or Concrete Simulacrum)
Arenite / Silicified Wood / Anthropogenic Concrete
sedimentary
Banded Iron Formation (BIF) with potential Stromatolite/Biogenic Trace
Ferruginous Chert / Banded Iron Formation (BIF)
sedimentary
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcendony replacing organic matter)
sedimentary
Botiroidal Chalcedony or Silicified Fossil Coral
Silicon Dioxide (SiO2) - Chalcedony / Scleractinia (if fossilized)
sedimentary
Amber
Succiniferous fossil resin (C10H16O)
mineraloid
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
sedimentary (fossil)
Rugose Coral Fossil
Rugosa (Order)
sedimentary
Fossil Rugose Coral (Horn Coral)
Order Rugosa (likely Grewingkia or Heliophyllum species); Calcium Carbonate (CaCO3)
sedimentary
Horn Coral Fossil
Rugosa (Order Rugosa)
sedimentary
Calamites (Fossil Plant)
Calamites (Genus), belonging to the class Equisetopsida
sedimentary
Amber
(C10H16O)n – an amorphous organic substance, primarily composed of polymerized isoprenoids.
Mineral
Belemnite Fossil (Guardsman Fossil)
Belemnitella spp. (Rostrum)
fossil
Jasper containing fossilized inclusions
Silicon Dioxide (SiO2) with trace impurities and biogenic inclusions
sedimentary
Oolitic Chert
Oolitic Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Fulgurite
Lechatelierite (Silica glass tubes)
mineral
Petrified Wood / Fossilized Wood
Silicified Wood (Silicon Dioxide - SiO2)
fossil
Fossil Shell (Bivalve)
Class Bivalvia (Likely a member of the Ostreidae or Gryphaeidae family), CaCO3
sedimentary
Fossilized Shark Teeth in Matrix
Cretaceous Chondrichthyes (Shark) remains in Sedimentary Matrix
fossil
Fossilized Shark Tooth (Eroded)
Carcharodon sp. or Otodus sp. fragment (likely)
fossil
Echinoid Fossil / Fossilized Sea Urchin
Echinoidea
fossil
Mookaite Jasper
Radiolarite (Silica, SiO2)
sedimentary
Mookaite Jasper
Silicified Radiolarite (SiO2 with impurities)
sedimentary