Formation : Austin Chalk

Austin Chalk

Aprox. 84-86 Million Years Ago

Ammonite Eucapchydiscus jimenezi 

Ammonite Boehmoceras arculus 

Ammonite Baculites capensis 

Ammonite Pachydiscus travisi

Ammonite Barroisiceras dentatocarinatum

Nautiloid Eutrophoceras campbelli

Ammonite Bevahites bevahensis

Ammonite Texanites (Plesiotexanites) stangeri 

Ammonite Nowakites flaccidicostus 

Mosasaur Tooth

Mosasaur Vertebra

Mosasaur cf Russelosaurus sp.

Shark Squalicorax falcatus

Shark Ptychodus sp.

Shark Ptychodus mortoni

Shark Ptychodus latissimus

Shark Ptychodus latissimus

Shark Microcorax sp.

 Sawfish Texatrygon hooveri 

Sawfish Ptychotrygon triangularis

 Fish Pachyrhizodus sp.

Fish Protosphyraena sp. 

Unknown Fish Tooth

Fish Enchodus sp.

Unknown Fish Tooth

Shark Vertebra

Fish Vertebra

Starfish Ossicle

Starfish Ossicle 

Crinoid Roveocrinus sp.

Crinoid

Echinoid Plate

Echinoid Spine

Unknown Coral

Gastropod Xenophora leprosa 

Gastropod Gyrodes sp.

Gastropod Unknown

Gastropod Anchura texana 

Bivalve Neithea casteeli

Bivalve Astarte liniolata

Bivalve Unknown

Bivalve Lima crenulicosta

Bivalve Protocardia spillmani 

Bivalve Lima crenulicosta 

Bivalve Trigonia thoracia 

Oyster Lopha panda

Oyster Exogyra tigrina 

Oyster Exogyra laeviuscula

Oyster Inoceramus subquadratus 

Oyster Inoceramos

Oyster Pychnodont aucella 

Oyster Inoceramus undabundus 

Oyster Exogyra laeviscula 

Oyster Exogyra ponderosa

Foraminifera Unknown

Foraminifera Nodosaria sp.

Foraminifera Unknown