What is the meaning of suborder cephalaspida?

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

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APA	WordNet. (2010). suborder cephalaspida. Retrieved September 29, 2026, from http://smartdefine.org/suborder_cephalaspida/definitions/1313781
Chicago	WordNet. 2010. "suborder cephalaspida" http://smartdefine.org/suborder_cephalaspida/definitions/1313781 (accessed September 29, 2026).
Harvard	WordNet 2010, suborder cephalaspida, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/suborder_cephalaspida/definitions/1313781>.
MLA	WordNet. "suborder cephalaspida" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/suborder_cephalaspida/definitions/1313781>

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