FOSSILS SPECIMEN: CHONDRICHTHYES

Fossils are defined as any evidence of prehistoric life. There are two types of fossils: Body Fossils include remains of skeletal bones, shell, carapace, test and teeth. Trace Fossils are clues the organism existed such as foot prints, tracks, burrows and coprolites (fossil dung).

Chondrichthyes means “cartilage fish” is a class that includes sharks, rays, and skates. Cartilage (like in your ear and nose) does not preserve well in the fossil record when compared to bone. This is why teeth are the primary fossil representatives for the group. To see my shark models click here and to see my modern shark specimen click here.

Kingdom: Animalia – Phylum: Chordata – Class: Chondrichthyes

(sharks, rays and skates)

Upper Silurian to Holocene

Ray Tooth Plate

Cenozoic

Ray Tooth Plates

Cretaceous

Ray Tooth Plates

Cenozoic

Unnamed Species

(stingray barb)

Eocene

Stone City Formation, Bryan, Texas

Unnamed Species

(stingray teeth)

Eocene

Stone City Formation, Bryan, Texas

Odontiopsis cuspidata

 and other species (shark teeth)

Eocene

Stone City Formation, Bryan, Texas

C. Megalodon Tooth

Miocene

Florida, United States

C. Megalodon Tooth

Miocene

Florida, United States

C. Megalodon Tooth (Cast)

Miocene

Florida, United States

Orthocanthus Carilage in Matrix

Early Permian

Seymour, Texas, United States

Otodus obliquus

Eocene

Morocco

Fossil Shark Teeth

Cretaceous to Cenozoic

North America

Orthocanthus Coprolite (polished)

Early Permian

Seymour, Texas, United States

Orthocanthus Coprolite 

Early Permian

Seymour, Texas, United States

Orthocanthus Coprolite 

Early Permian

Seymour, Texas, United States

Small Shark Teeth in Matrix

Early Permian

Seymour, Texas, United States

Shark Teeth in Conglomerate Matrix

Late Cretaceous

Wyoming, United States

Shark Teeth in Conglomerate Matrix

Late Cretaceous

Wyoming, United States

Shark Vertebrae

Cretaceous

Cast Helicoprion Tooth Process

Carboniferous

Edestuscast in matrix

Carboniferous

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