- Osteostraci as a noun:
- 1
Osteostraci
noun
1 Osteostraci
Extinct group of armored fish-like vertebrates; taxonomy is not clear.
synonyms: Cephalaspida, suborder Cephalaspida, suborder Osteostraci.
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noun
Extinct group of armored fish-like vertebrates; taxonomy is not clear.
synonyms: Cephalaspida, suborder Cephalaspida, suborder Osteostraci.
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