Fossil

Polished fossiliferous limestone (likely orbicular/fossil limestone)

Fossiliferous micritic limestone, composed primarily of calcite (CaCO₃)

Fossilized bivalve shell fragment

Pectinid or related scallop bivalve; shell originally composed mainly of calcite (CaCO₃)

Fossiliferous limestone

Calcitic limestone, predominantly CaCO₃ (calcite), with possible shell or coral fossils

Fossiliferous Limestone

Biogenic Sedimentary Rock / CaCO3 with fossil fragments

Fossilized Shark Tooth

Otodus sp. (approximate genus) / Hydroxyapatite fossil

Dinosaur Claw (Dromaeosaurid)

Dromaeosaurid ungual (potential Deinonychus or Velociraptorine)

Orthoceras Fossil in Limestone

Orthoceras regulare

Fossil fish impression/cast (likely small ray-finned fish)

Unidentified Actinopterygii; possibly a fish fossil in laminated shale

Calcite rosette (possibly fossilized shell fragment)

Calcite, CaCO₃; crystal habit appears botryoidal/rosette-like

Tumbled snowflake obsidian

Obsidian (volcanic glass), commonly with cristobalite spherulites

Kambaba Jasper

Stromatolite (Fossilized Algae)

Polished septarian nodule

Calcite–aragonite–barite septarian concretion, commonly in a claystone or limestone matrix

Kambaba Jasper

Rhyolite (Volcanic rock) or Stromatolite (debated)

Fossil scallop shell

Pectinid bivalve fossil; likely a scallop (family Pectinidae), exact genus/species uncertain

Stromatolite

Biogenic sedimentary rock / Stromatolite

Likely quartz-rich pebble in sandstone

Quartz clast (SiO₂) embedded in fine-grained sandstone; exact identification is uncertain from the image alone

Possible ironstone concretion or weathered mineral nodule

Iron-oxide-rich concretion, likely goethite/limonite; identification uncertain from the photo

Sandstone Pebbles

Arenite

Sandstone

Arenite

Sandstone

Clastic Sedimentary Rock

Sandstone

Arenite (SiO2 predominantly)

Fossilized bone or tooth fragment

Indeterminate fossil bone; possibly mammalian or reptilian

Crinoid Fossil in Limestone

Crinoid columnal (Class Crinoidea) in biomicrite

Fossil Shell (Bivalve)

Phylum Mollusca, Class Bivalvia

Crinoid Stem Fossil

Crinoid ossicle (Phylum Echinodermata)

Horn Coral Fossil

Rugose coral (Order Rugosa)

Fossiliferous limestone with possible ammonite or shell impressions

Calcitic limestone, chiefly CaCO₃; fossils may include ammonoids or bivalves

Amber-colored bead earrings

Likely amber (fossilized tree resin); material cannot be confirmed from the image

Polished fossil tooth, likely shark tooth

Fossilized selachian tooth; possibly Otodus or a related lamniform shark

Fossilized Horse Tooth

Equus ferus caballus (fossilized molar/premolar)

Fossilized Crinoid Stem in Matrix

Crinoid (Class: Crinoidea)

Mosasaur Tooth

Mosasauridae (likely Prognathodon or Mosasaurus species)

Petrified Wood

Silicified Wood (primarily SiO2)

Fossilized Coral (Petoskey Stone / Hexagonaria)

Hexagonaria percarinata / Rugosa coral

Fossilized Wood / Petrified Wood

Petrified Wood (Silicified Flora)

Fossilized Coral (Petrified Coral)

Lithostrotionella (example genus) / Scleractinia

Sandstone with Dendritic Inclusions

Quartzose Sandstone

Petrified Wood

Silicified wood (primarily Quartz, SiO2)

Fossilized Gryphaea (Devil's Toenail)

Gryphaea arcuata (Bivalvia: Gryphaeidae)

Brachiopod Fossil in Limestone

Phylum Brachiopoda, Class Rhynchonellata

Amber (Burmite)

Fossilized tree resin (Succinite variant)

Fossilized Shark Tooth

Fossilised Chondrichthyes dental specimen (likely Otodus or Carcharias sp.)