What is the meaning of Osteostraci?

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

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APA	WordNet. (2010). osteostraci. Retrieved September 28, 2026, from http://smartdefine.org/osteostraci/definitions/1194969
Chicago	WordNet. 2010. "osteostraci" http://smartdefine.org/osteostraci/definitions/1194969 (accessed September 28, 2026).
Harvard	WordNet 2010, osteostraci, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/osteostraci/definitions/1194969>.
MLA	WordNet. "osteostraci" 23 October 2010. Web. 28 September 2026. <http://smartdefine.org/osteostraci/definitions/1194969>

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