Home | Sites | Formations | Fossils | Types | Resources | Paleomaps | Diagrams | Compare | List | Contact| Weather |
| Group | Order | Common | count |
|---|---|---|---|
| 2-Isofilibranchia | Mytilida | True Mussels | 1 |
| 3-Pteriomorphia | Arcida | 1 | |
| 3-Pteriomorphia | Pterioida | 6 | |
| 4-Heteroconchia | Cardiida | 1 | |
| 4-Heteroconchia | Carditida | 2 | |
| 4-Heteroconchia | Trigoniida | 1 | |
| 5-Anomalodesmata | Pholadomyoida | 1 |
>Order: Arcida
Formation: Glen Rose
Kerr County | K4-827
>Order: Cardiida
Formation: Comanche Peak
Lampasas County | L1-458
>Order: Carditida
Formation: Bromide
zOK (Carter) County | OK1-620
Formation: GrahamThrifty
Jack County | J1-786
>Order: Mytilida
Formation: Fort Terrett
Kerr County | K1-816
>Order: Pholadomyoida
Formation: Glen Rose
Kerr County | K4-822
>Order: Pterioida
Formation: GrahamThrifty
Jack County | J1-779
Formation: Fort Terrett
Kerr County | K1-812
Formation: Austin Chalk
Williamson County | W1-490
Formation: Ozan
Fannin County | NS-369
Formation: Eagle Ford/Atco
Grayson County | PO-668
Formation: Eagle Ford/Atco
Grayson County | PO-667
>Order: Trigoniida
Formation: Buda
Travis County | T2-645
