Fossil Finds: Ladonia Fossil Park

Upper Cretaceous Ladonia Fossil Park, Ozan Formation, Ladonia, Texas. The infamous Sulfur River runs northeast of the Dallas and Fort Worth area. Ladonia Fossil Park is situated on the northside of the river and has late or upper Cretaceous limestones – known to hold cephalopods called ammonites and baculites with the rare mosasaur bone fragment.   

Kingdom: Animalia – Phylum: Mollusca – Class: Bivalve (clams)

Clam imprint

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Kingdom: Animalia – Phylum: Mollusca – Class: Cephalopoda (squid and octopi)

Baculites (red zone)

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Baculites

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Ammonite

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Kingdom: Animalia – Phylum: Chordata – Class: Reptilia

Mosasaur Vertebrae (purchased)

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Mosasaur Vertebrae (purchased)

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

Kingdom: Animalia – Phylum: Chordata – Class: Reptilia/Mammalia

Two Fossil Bone Fragments and tooth

(Cenozoic mammal tooth)

Cretaceous

Ladonia Fossil Park, Ozan Formation, Ladonia, Texas

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