Definitions for paleechinoidea
This page provides all possible meanings and translations of the word paleechinoidea
an extinct order of sea urchins found in the Paleozoic rocks. They had more than twenty vertical rows of plates. Called also Palaeechini
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"paleechinoidea." Definitions.net. STANDS4 LLC, 2015. Web. 1 Feb. 2015. <http://www.definitions.net/definition/paleechinoidea>.