Ceratostreon texana

Formation: Fort Terrett
Kerr County | K1-14

Ceratostreon texana

Formation: Fort Terrett
Kerr County | K1-947

Ceratostreon texana

Formation: Comanche Peak
Bell County | BL1-948

Ceratostreon texana

Formation: Fort Terrett
Kerr County | K1-949

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 plexa ?

Formation: Del Rio
Edwards County | 72

Exogyra tigrina

Formation: Austin Chalk
Travis County | 36

Pycnodonte Sp.

Formation: Austin Chalk
Williamson County | W1-683

Pycnodonte aucella

Formation: Austin Chalk
Williamson County | 3

Pycnodonte mutabilis ?

Formation: Other
zUnknown County | 945

Pycnodonte sp

Formation: Austin Chalk
Williamson County | W1-494

Pycnodonte sp.

Formation: Austin Chalk
Williamson County | W1-493

Pycnodonte sp.

Formation: Austin Chalk
Travis County | 946

Pycnodonte wardi

Formation: Glen Rose
Bandera County | B2-944

Texigryphaea mucronata

Formation: Comanche Peak
Coryell County | 939

Texigryphaea mucronata

Formation: Comanche Peak
Bell County | BL1-940

Texigryphaea roemeri

Formation: Buda
Williamson County | W2-943

Texigryphaea roemeri?

Formation: Del Rio
Travis County | T2-69

Texigryphaea sp.

Formation: Fort Terrett
Kerr County | K1-941

Lopha bellaplicata

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

Lopha sp.

Formation: Fort Terrett
Kerr County | K1-938

Ostrea plumosa?

Formation: Austin Chalk
Williamson County | W1-676

Ostrea sp.

Formation: Austin Chalk
Travis County | 585

Ostrea sp.

Formation: Glen Rose
Kerr County | K5-942

Peilinia crenulimargo ?

Formation: Walnut
Bell County | BL1-937

Pseudoperna congesta

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

Pseudoperna congesta

Formation: Other
Williamson County | W2-773