What is the meaning of subphylum cephalochordata?

noun

WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). subphylum cephalochordata. Retrieved September 23, 2026, from http://smartdefine.org/subphylum_cephalochordata/definitions/1313844
ChicagoWordNet. 2010. "subphylum cephalochordata" http://smartdefine.org/subphylum_cephalochordata/definitions/1313844 (accessed September 23, 2026).
HarvardWordNet 2010, subphylum cephalochordata, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/subphylum_cephalochordata/definitions/1313844>.
MLAWordNet. "subphylum cephalochordata" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/subphylum_cephalochordata/definitions/1313844>