Ptyctodontida
E1246014
UNEXPLORED
Ptyctodontida is an extinct order of placoderm fishes characterized by their reduced armor and specialized crushing tooth plates, known primarily from Devonian marine deposits.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ptyctodontida canonical | 1 |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.