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| Group | Order | Common | count |
|---|---|---|---|
| Rhynchonellata | Athyridida |
3 | |
| Rhynchonellata | Orthida |
1 | |
| Rhynchonellata | Spiriferida |
1 | |
| Rhynchonellata | Spiriferinida |
1 | |
| Rhynchonellata | Terebratulida |
1 | |
| Strophomenata | Orthotetida |
1 | |
| Strophomenata | Productida |
4 | |
| Strophomenata | Strophomenida |
1 | |
zNone |
11 |
>Order: Athyridida
Formation: Keechi Creek Shale
Palo Pinto County | MW-433
Formation: Finnis Shale
Jack County | J1-550
Formation: Finnis Shale
Jack County | J1-540
>Order: Orthida
Formation: Bromide
zOK (Carter) County | OK1-617
>Order: Orthotetida
Formation: Bromide
zOK (Carter) County | OK1-619
>Order: Productida
Formation: Keechi Creek Shale
Palo Pinto County | MW-435
Formation: Finnis Shale
Jack County | J1-542
Formation: Finnis Shale
Jack County | J1-530
Formation: Keechi Creek Shale
Palo Pinto County | MW-431
>Order: Spiriferida
Formation: Harpersville
Eastland County | 696
>Order: Spiriferinida
Formation: Keechi Creek Shale
Palo Pinto County | MW-430
>Order: Strophomenida
Formation: Bromide
zOK (Carter) County | OK1-635
>Order: Terebratulida
Formation: Austin Chalk
Travis County | T3-688
>Order: zNone
Formation: Bromide
zOK (Carter) County | OK1-622
Formation: Bromide
zOK (Carter) County | OK1-623
Formation: Bromide
zOK (Carter) County | OK1-632
Formation: Bromide
zOK (Carter) County | OK1-633
Formation: Bromide
zOK (Carter) County | OK1-634
Formation: Bromide
zOK (Carter) County | OK1-639
Formation: Bromide
zOK (Carter) County | OK1-652
Formation: Bromide
zOK (Carter) County | OK1-660
Formation: Keechi Creek Shale
Palo Pinto County | MW-708
Formation: Keechi Creek Shale
Palo Pinto County | MW-434
Formation: Keechi Creek Shale
Palo Pinto County | MW-432
| Period | Formation | count |
|---|---|---|
| Cretaceous | Austin Chalk | 1 |
| Ordivician | Bromide | 11 |
| Pennsylvanian | Finnis Shale | 4 |
| Pennsylvanian | Harpersville | 1 |
| Pennsylvanian | Keechi Creek Shale | 7 |