Ammonite

Formation: Other
Williamson County | W2-770

Bivalve

Formation: Austin Chalk
Williamson County | W1-725

Bivalve Sp.

Formation: Fort Terrett
Kerr County | K1-513

Bivalve Sp.

Formation: Austin Chalk
Williamson County | W1-674

Bivalve?

Formation: Austin Chalk
Williamson County | W1-671

Bivalve?

Formation: Austin Chalk
Williamson County | W1-684

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-622

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-623

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-632

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-633

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-634

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-639

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-652

Brachiopod

Formation: Bromide
zOK (Carter) County | OK1-660

Brachiopod Sp.

Formation: Mineral Wells
Palo Pinto County | MW-434

Brachiopod Sp.

Formation: Mineral Wells
Palo Pinto County | MW-708

Bryozoan

Formation: Bromide
zOK (Carter) County | OK1-654

Bryozoan

Formation: Bromide
zOK (Carter) County | OK1-655

Bryozoan?

Formation: Moran
Eastland County | 452

Bryozoan?

Formation: Eagle Ford/Atco
Grayson County | PO-601

Bryozoan?

Formation: Bromide
zOK (Carter) County | OK1-625

Bryozoan?

Formation: Bromide
zOK (Carter) County | OK1-656

Carbonized Wood

Formation: Eagle Ford/Atco
Ellis County | MID-796

Echinoid

Formation: Buda
Williamson County | W2-642

Echinoid

Formation: Buda
Travis County | T2-644

Echinoid

Formation: Buda
Williamson County | W2-769

Enchinoid

Formation: Austin Chalk
Williamson County | W1-724

Encrusting Bryozoan

Formation: Mineral Wells
Palo Pinto County | MW-429

Fish Vertebrae

Formation: Ozan
Fannin County | NS-402

Fish Vertebrae

Formation: Eagle Ford/Atco
Grayson County | PO-598

Gastropod

Formation: Bromide
zOK (Carter) County | OK1-637

Gastropod

Formation: Bromide
zOK (Carter) County | OK1-638

Gastropod

Formation: Bromide
zOK (Carter) County | OK1-659

Gastropod

Formation: Austin Chalk
Williamson County | W1-672

Gastropod

Formation: Austin Chalk
Williamson County | W1-681

Gastropod

Formation: Buda
Williamson County | W2-695

Gastropod

Formation: Walnut
Travis County | T1-698

Gastropod

Formation: Walnut
Travis County | T1-702

Gastropod

Formation: Walnut
Travis County | T1-703

Gastropod

Formation: Austin Chalk
Williamson County | W1-717

Gastropod sp.

Formation: Eagle Ford/Atco
Grayson County | PO-602

Gyrodes Sp.

Formation: Austin Chalk
Williamson County | W1-716

Trilobite

Formation: Bromide
zOK (Carter) County | OK1-615

Trilobite

Formation: Bromide
zOK (Carter) County | OK1-657

Trilobite Coquina

Formation: Riley
Burnet County | 565

Trilobite Hypostome

Formation: Bromide
zOK (Carter) County | OK1-662

Trilobite Pygidium

Formation: Bromide
zOK (Carter) County | OK1-661

Unknown Bivalve

Formation: GrahamThrifty
Jack County | J1-551

Unknown Brachiopod

Formation: Mineral Wells
Palo Pinto County | MW-432

Unknown Vertebrae

Formation: Eagle Ford/Atco
Ellis County | MID-791

Unknown bivalve

Formation: Fort Terrett
Kerr County | K2-38

unknown

Formation: Walnut
Travis County | T1-20

Echinoid

Formation: Fort Terrett
Kerr County | K1-66

Echinoid

Formation: Fort Terrett
Kerr County | K1-685

Echinoid Spine

Formation: Glen Rose
Comal County | 189

Gastropod

Formation: Walnut
Bell County | BL1-832

Gastropod

Formation: Walnut
Bell County | BL1-834

Shark Tooth

Formation: Stone City
Burleson County | WB-390

Shark Vertebrae

Formation: Eagle Ford/Atco
Williamson County | W2-603