Cephalaspida


Also found in: Thesaurus, Encyclopedia, Wikipedia.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Cephalaspida - extinct group of armored fish-like vertebrates; taxonomy is not clear
animal order - the order of animals
order Ostracodermi, Ostracodermi - extinct group of armored jawless vertebrates; taxonomy is not clear
cephalaspid, osteostracan - extinct jawless fish of the Devonian with armored head