Oyster Bed

Formation: Cow Creek
Travis County | 757

Oyster Bed

Formation: Cow Creek
Travis County | 758

Ceratostreon texana

Formation: Fort Terrett
Kerr County | K1-14

Exogyra Ponderosa

Formation: Austin Chalk
Travis County | T3-2

Exogyra arietina

Formation: Del Rio
Travis County | T2-13

Exogyra laeviuscula

Formation: Austin Chalk
Travis County | 75

Exogyra sp.

Formation: Del Rio
Edwards County | 72

Exogyra tigrina

Formation: Austin Chalk
Travis County | 36

Gryphaea Sp.

Formation: Austin Chalk
Williamson County | W1-683

Gryphaea aucella

Formation: Austin Chalk
Williamson County | 3

Small Oyster

Formation: Austin Chalk
Williamson County | W1-682

Texigryphaea mucronata

Formation: Del Rio
Travis County | T2-69

Texigryphaea roemeri

Formation: Del Rio
Travis County | 583

Texigryphaea washitaensis

Formation: Eagle Ford
Williamson County | 584

Lopha bellaplicata

Formation: Eagle Ford/Atco
Grayson County | PO-666

Ostrea sp.

Formation: Austin Chalk
Travis County | 585

Oyster Reef

Formation: Eagle Ford/Atco
Grayson County | PO-604

Pseudoperna congesta

Formation: Eagle Ford/Atco
Grayson County | PO-669

Pseudoperna congesta

Formation: Other
Williamson County | W2-773

Oyster Sp.

Formation: Austin Chalk
Williamson County | W1-493

Oyster Sp.

Formation: Austin Chalk
Williamson County | W1-494

Oyster Sp.

Formation: Austin Chalk
Williamson County | W1-676

Oyster?

Formation: Austin Chalk
Williamson County | W1-677

Phrygia lumachelle

Formation: Austin Chalk
Travis County | 267