What is the meaning of Heterostraci?

noun

  • Extinct group of armored jawless fishes or fish-like vertebrate; taxonomy is not clear.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). Heterostraci. Retrieved September 29, 2026, from http://smartdefine.org/heterostraci/definitions/1194967
ChicagoWordNet. 2010. "Heterostraci" http://smartdefine.org/heterostraci/definitions/1194967 (accessed September 29, 2026).
HarvardWordNet 2010, Heterostraci, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/heterostraci/definitions/1194967>.
MLAWordNet. "Heterostraci" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/heterostraci/definitions/1194967>