Extinct group of armored fish-like vertebrates; taxonomy is not clear. Synonyms: Osteostraci, suborder Cephalaspida, suborder Osteostraci.
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Words linked to "Cephalaspida" : Osteostraci, animal order, cephalaspid, order Ostracodermi, Ostracodermi, osteostracan, suborder Cephalaspida |
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