IN BRIEF: n. - Extinct group of armored jawless fishes or fishlike vertebrate.
Heterostraci
| Word Tutor: Heterostraci |
IN BRIEF: n. - Extinct group of armored jawless fishes or fishlike vertebrate.
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 | Pteraspidomorpha (fossil fishes) |
| Thelodontida (paleontology and paleobotany) |
| Heterostraci (fossil fishes) |
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Mentioned in
- Pteraspidomorpha (fossil fishes)
- Thelodontida (paleontology and paleobotany)
- Heterostraci (fossil fishes)
- Jawless vertebrates
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