Fossilized Stingray Mouth Plate
Myliobatidae gen. et sp. indet. (e.g., Myliobatis, Aetobatus)
fossil
Category
Sedimentary (Fossilized)
Browse sedimentary (fossilized) specimens identified by the Rock Identifier community.
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Fossilized Trilobite Pygidium / Glabella Fragment
Trilobita (e.g., Phacops or Ceraurus sp.)
fossil
Fossilized Mammoth Tooth Fragment
Mammuthus primigenius (or Mammuthus sp.)
fossil
Petoskey Stone (Fossilized Coral)
Hexagonaria percarinata
fossil
Fossilized Shark Tooth (Fragment)
Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)
fossil
Fossilized Shark Tooth (Fragment)
Elasmobranchii gen. indet.
fossil
Fossilized Coral (Petoskey Stone / Favosites)
Hexagonaria percarinata / Favosites sp. (Calcite, CaCO3)
fossil
Fossilized Coral (Petoskey Stone / Hexagonaria)
Hexagonaria percarinata / Rugosa coral (CaCO3)
fossil
Fossilized Shark Tooth (fragment)
Elasmobranchii (Class) fossil
fossil
Fossilized Wood (Petrified Wood)
Agatized wood (primarily SiO2)
fossil
Fossilized Favosites Coral (Honeycomb Coral)
Favosites (extinct genus Table Coral)
fossil
Fossilized Tabulate Coral (Honeycomb Coral)
Favosites sp. (Order: Tabulata)
fossil
Petrified Wood
Fossilized plant material (Silicon dioxide - SiO2)
fossil
Petoskey Stone
Hexagonaria percarinata (Fossilized colonial rugose coral)
fossil
Amber
Fossilized Tree Resin (Generic formula: C10H16O)
mineral
Red Amber (Burmite/Cherry Amber)
Succinite / Retinite (Organic Fossilized Resin, C10H16O)
Mineraloid (Organic)
Fossilized Ray Barb (Stinger) Fragment
Myliobatiformes indet. (Fossil stingray spine)
fossil
Amber
Succinite (C10H16O)
gemstone
Fossilized Shark Tooth (Megalodon or Carcharocles fragment)
Elasmobranchii (Fossilized tooth root / crown section)
fossil
Fossilized oyster shell in limestone
Bivalvia fossil; chiefly calcite (CaCO₃)
fossil
Fossilized coral or porous marine limestone
Likely fossil coral (Scleractinia), composed mainly of calcite/aragonite (CaCO₃)
fossil
Fossilized bivalve or brachiopod shell
Indeterminate calcitic shell fossil; likely Bivalvia or Brachiopoda
fossil
Fossilized Coral (Rugose or Tabulate Coral)
Phylum Cnidaria, Class Anthozoa (silicified or calcified coral fossil)
fossil
Fossilized Coral (Petoskey Stone / Hexagonaria)
Hexagonaria percarinata / Rugosa coral
fossil
Fossilized Shark Tooth (Megalodon or Carcharocles species fragment)
Otodus megalodon / Carcharocles spp. (Apatite / Calcium Phosphate)
fossil
Fossilized Coral (Petrified Coral)
Lithostrotionella (example genus) / Scleractinia
fossil
Fossilized Crinoid Stem in Pebble
Crinoidea (Class) preserved in calcite/matrix
fossil
Fossilized Crinoid Stem in Matrix
Crinoid (Class: Crinoidea)
fossil
Fossilized Shark Tooth (Otodus)
Otodus obliquus
fossil
Shiva's Eye
Operculum of Turbo shells (Calcium carbonate)
fossil
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Basalt with Amygdules
Amygdaloidal Basalt
igneous
Fossil Shark Tooth
Chondrichthyes (class)
fossil
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Petoskey Stone
Hexagonaria percarinata
fossil
Amber
Succinite (C10H16O)
Mineraloid (Organic)
Amber
Succinite (with various hydrocarbon compositions)
mineral
Amber
Succinite (a variety of fossilized tree resin); chemical formula appx. C10H16O
mineraloid
Shark Tooth Fossil
Carcharocles megalodon or similar fossilized shark tooth
fossil
Amber
Fossilized Tree Resin (Succinite for Baltic varieties)
fossil
Coral Skeleton / Fossil Coral
Scleractinia (Aragonite, CaCO3)
fossil
Slate with Fossiliferous Impressions
Metamorphosed Argillaceous Rock (Fossiliferous Slate)
metamorphic