| NOUN | animal | ostracoderm | extinct fish-like jawless vertebrate having a heavily armored body |
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| Meaning | Extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic. | |
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| Member of | Ostracodermi, order Ostracodermi | Extinct group of armored jawless vertebrates |
| Broader | jawless vertebrate, jawless fish, agnathan | eel-shaped vertebrate without jaws / jaws or paired appendages including the cyclostomes and some extinct forms |
| Spanish | ostracodermi, ostracoderm | |
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