| NOM | animal | osteostracan, cephalaspid | extinct jawless fish of the Devonian with armored head |
|---|
| Sentit | Extinct jawless fish of the Devonian with armored head. | |
|---|---|---|
| Sinònim | cephalaspid | |
| Membre de | osteostracis | Extinct group of armored fish-like vertebrates |
| General | àgnat | eel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms |
| Anglès | osteostracan, cephalaspid | |
| Espanyol | cephalaspid, osteostracan | |
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