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>Order: Boring
Formation: Austin Chalk
Williamson County | 582
Formation: Walnut
Travis County | 332
Formation: GrahamThrifty
Jack County | J1-795
Formation: Fort Terrett
Kerr County | K1-273
Formation: Glen Rose
Bandera County | 326
>Order: Burrow
Formation: Stone City
Burleson County | WB-556
Formation: Buda
Williamson County | 577
Formation: Austin Chalk
Williamson County | 385
Formation: Bromide
zOK (Carter) County | OK1-647
Formation: Stone City
Burleson County | WB-557
Formation: Ozan
Fannin County | NS-134
Formation: Eagle Ford/Atco
Ellis County | MID-800
Formation: Eagle Ford/Atco
Ellis County | MID-793
Formation: Eagle Ford/Atco
Ellis County | MID-794
Formation: Comanche Peak
Lampasas County | L1-455
Formation: Fort Terrett
Kerr County | 507
Formation: Buda
Williamson County | W2-767
>Order: Mudcracks
Formation: Ellenburger Group
Burnet County | 558
>Order: Tracks
Formation: Glen Rose
Bandera County | 328
Formation: Glen Rose
Comal County | 152
Formation: Blaine
Tom Green County | 225
Formation: Glen Rose
Williamson County | 111
There are no entries for this topic yet.
| Period | Formation | count |
|---|---|---|
| Cretaceous | Austin Chalk | 2 |
| Cretaceous | Buda | 2 |
| Cretaceous | Comanche Peak | 1 |
| Cretaceous | Eagle Ford/Atco | 3 |
| Cretaceous | Fort Terrett | 2 |
| Cretaceous | Glen Rose | 4 |
| Cretaceous | Ozan | 1 |
| Cretaceous | Walnut | 1 |
| Eocene | Stone City | 2 |
| Ordivician | Bromide | 1 |
| Ordivician | Ellenburger Group | 1 |
| Pennsylvanian | GrahamThrifty | 1 |
| Permian | Blaine | 1 |