What is the meaning of Ptilocrinus?

noun

WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). ptilocrinus. Retrieved September 25, 2026, from http://smartdefine.org/ptilocrinus/definitions/1199228
ChicagoWordNet. 2010. "ptilocrinus" http://smartdefine.org/ptilocrinus/definitions/1199228 (accessed September 25, 2026).
HarvardWordNet 2010, ptilocrinus, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/ptilocrinus/definitions/1199228>.
MLAWordNet. "ptilocrinus" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/ptilocrinus/definitions/1199228>