Formation : Austin Chalk

Austin Chalk

Aprox. 84-86 Million Years Ago

Ammonite Baculites

Ammonite Pachydiscus travisi

Nautiloid Eutrophoceras campbelli

Ammonite  Barroisiceras dentatocarinatum

Mosasaur cf Russelosaurus sp.

Possible Mosasaur Tooth

Shark Ptychodus sp.

Shark Ptychodus mortoni

Shark Squalicorax falcatus

Shark Microcorax sp.

Sawfish Ptychotrygon triangularis

 Sawfish Texatrygon hooveri 

Fish Protosphyraena sp. 

Unknown Fish Tooth

Fish Enchodus sp.

Unknown Fish Tooth

Unknown Fish Tooth

Vertebra

Starfish Ossicle

Crinoid Roveocrinus sp.

Unknown Coral

Gastropod Unknown

Gastropod Anchura texana 

Oyster Lopha panda

Bivalve Astarte liniolata

Bivalve Unknown

Bivalve Lima crenulicosta

Bivalve Trigonia thoracia 

Bivalve Exogyra tigrina 

Bivalve Exogyra laeviuscula

Oyster Inoceramus subquadratus 

Oyster Inoceramos

Oyster Pychnodont aucella 

Bivalve Neithia austinensis

Bivalve Exogyra laeviscula 

Bivalve Exogyra ponderosa

Foraminifera Unknown

Foraminifera Nodosaria sp.

Foraminifera Unknown