Sedimentary (Fossil)

Fossil Coral

Rugose Coral or Tabulate Coral (Phylum Cnidaria)

Fossiliferous limestone with a possible shell or trace fossil

Calcitic limestone (mostly CaCO₃), fossil identity indeterminate from the image

Fossiliferous limestone, likely coral or shell-rich fragment

Calcite (CaCO₃), commonly bioclastic limestone containing fossilized marine organisms

Fossilized Crab Carapace (Concretion)

Decapoda (fossil), typically preserved in calcite or siderite concretion

Fossil Shark Tooth

Otodus sp. (Eocene shark fossil)

Fossiliferous Limestone

CaCO3 (with biological inclusions)

Fossilized Vertebra

Chordata fossil (Vertebra)

Fossilized Gastropod Shell

Class Gastropoda (Fossil)

Dinosaur Fossil Tooth

Vertebrate Fossilized Tooth

Small weathered fossil or mineral fragment

Indeterminate; possibly fossilized shell, bone, or a pale carbonate mineral

Fossiliferous limestone, likely stromatolitic or bioclastic limestone

Calcite-rich carbonate rock; predominantly CaCO₃ (calcite), with possible siliciclastic impurities and fossil structures

Bivalve Internal Mold Fossil

Steinkern (Bivalvia mold)

Weathered fossil-bearing limestone

Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or brecciated

Likely fossiliferous limestone fragment

Calcareous fossil assemblage, chiefly calcium carbonate (CaCO₃), possibly crinoid, bivalve, or bryozoan material in limestone

Fossilized Bone

Permineralized Vertebrate Bone

Fossilized Echinoid (Sea Urchin)

Echinoidea (Class)

Pyritized Ammonite

Ammonitida (replaced by Iron Disulfide, FeS2)

Fossiliferous Limestone

Calcite-rich sedimentary rock with invertebrate fossils (CaCO3)

Fossiliferous Limestone Pebble

Limestone with fossil inclusion

Turritella Gastropod Fossil

Turritella (mollusk fossil in sedimentary matrix)

Fossil Shark Tooth

Chondrichthyes tooth fossil

Fossil Shell

Invertebrate fossil (Mollusca)

Cockle Shell Fossil

Cardiidae family (Bivalvia)

Fossilized Shark Tooth

Lamniformes (order) fossil

Fossiliferous Sandstone / Fossil Fragment

Fossiliferous Sedimentary Matrix with Indeterminate Fossil Material

Coal (Bituminous Coal)

Caustobiolith / Sedimentary Rock

Bivalve Fossil (Brachiopod or Scallop)

Class Bivalvia (or potentially Phylum Brachiopoda)

Fossilized Shark Tooth

Chondrichthyes (Class)

Fossilized Rugose Coral in Limestone

Order Rugosa in Sedimentary Matrix (CaCO3)

Mosasaur Tooth Fossil

Mosasaurus sp.

Fossilized Shark Tooth

Chondrichthyes (class)

Shale

Shale (Consolidated fine-grained clay/silt)

Fossilized Gastropod Steinkern

Class Gastropoda internal mold

Seashell Fossil

Invertebrate Bivalve / Gastropod Fossil (Calcium Carbonate, CaCO3)

Petrified Coral (Agatized Coral)

Anthozoa (Agatized Fossil)

Silicified Gastropod Fossil (Agatized Fossil)

Gastropoda (Class) preserved in Chalcedony/Quartz (SiO2)

Fossil Shark Tooth

Chondrichthyes (Class)

Shark Tooth Fossil

Vertebrate fossilized tooth (Chondrichthyes)

Fossilized Shark Tooth

Fossil Chondrichthyes (various genera such as Carcharias or Odontaspis)

Fossil Coral

Phylum Cnidaria / Rugosa or Tabulata

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)

Fossilized Shark Tooth

Chondrichthyes (class) fossilized tooth