Petalosticha definitions

Petalosticha

• (n. pl.) An order of Echini, including the irregular sea urchins, as the spatangoids. See Spatangoid.
Found on http://thinkexist.com/dictionary/meaning/petalosticha/

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Petalosticha

Pet`a·los'ti·cha noun plural [ New Latin , from Greek ... a leaf + ... a row.] (Zoology) An order of Echini, including the irregular sea urchins, as the spatangoids. See Spatangoid .
Found on http://www.encyclo.co.uk/webster/P/65

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