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Caenogastropoda Order

Class: Gastropoda

Cerithiidae

Cerithium bosquense

Formation: Comanche Peak
Williamson County | 9
Cerithium bosquense - Round Rock

Goniasmatidae

Goniasma sp.

Formation: Mineral Wells
Palo Pinto County | MW-437
Goniasma sp. - Mineral Wells Fossil Park

Turritellidae

Turritella bybeei

Formation: Buda
Williamson County | W2-17
Turritella bybeei - Brushy Creek

Mesalia claibornensis

Formation: Stone City
Burleson County | WB-91
Mesalia claibornensis - Whiskey Bridge

Turritella housonia

Formation: Stone City
Burleson County | WB-353
Turritella housonia - Whiskey Bridge

Turritella nasuta

Formation: Stone City
Burleson County | WB-357
Turritella nasuta - Whiskey Bridge

Turritella Sp.

Formation: Buda
Williamson County | W2-581
Turritella Sp. - None

Turritella Sp.

Formation: Eagle Ford/Atco
Grayson County | PO-600
Turritella Sp. - None

Silicified Turritella

Formation: Austin Chalk
Williamson County | W1-641
Silicified Turritella - None