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Class: Trace
| Order | Family | Common | count |
|---|---|---|---|
| Burrow | NaN | 12 |
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
