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Class: Chondrichthyes
| Order | Family | Common | count |
|---|---|---|---|
| Lamniformes | Anacoracidae |
4 | |
| Lamniformes | Cretoxyrhinidae |
Cretaceous Sharp-Nose | 1 |
| Lamniformes | Mitsukurinidae |
Goblin | 7 |
| Lamniformes | Otodontidae |
Megatoothed | 2 |
| Lamniformes | Ptychodontidae |
Shell-Crushing | 4 |
| Lamniformes | _None |
4 |
Formation: Eagle Ford/Atco
Grayson County | PO-587
Formation: Eagle Ford/Atco
Grayson County | PO-594
Formation: Eagle Ford/Atco
Ellis County | MID-797
Formation: Eagle Ford/Atco
Ellis County | MID-804
Formation: Eagle Ford/Atco
Williamson County | 68
Formation: Eagle Ford/Atco
Grayson County | PO-588
Formation: Eagle Ford/Atco
Grayson County | PO-589
Formation: Eagle Ford/Atco
Grayson County | PO-590
Formation: Eagle Ford/Atco
Grayson County | PO-591
Formation: Eagle Ford/Atco
Grayson County | PO-592
Formation: Eagle Ford/Atco
Ellis County | MID-803
Formation: Eagle Ford/Atco
Grayson County | PO-628
Formation: Eagle Ford/Atco
Grayson County | PO-593
Formation: Eagle Ford/Atco
Ellis County | MID-798
Formation: Eagle Ford/Atco
Ellis County | MID-806
Formation: Eagle Ford/Atco
Grayson County | PO-586
Formation: Eagle Ford/Atco
Ellis County | MID-805
Formation: Eagle Ford/Atco
Ellis County | MID-807
Formation: Eagle Ford/Atco
Grayson County | PO-595
Formation: Eagle Ford/Atco
Grayson County | PO-596
Formation: Eagle Ford/Atco
Grayson County | PO-597
Formation: Eagle Ford/Atco
Grayson County | PO-629
