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
Origin: [NL. See Paleo-, and Echinoidea.]
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"paleechinoidea." Definitions.net. STANDS4 LLC, 2015. Web. 10 Oct. 2015. <http://www.definitions.net/definition/paleechinoidea>.