DescriptionSea Urchins (PSF).png English: any of numerous echinoderms (class Echinoidea) that are usually enclosed in thin brittle globular tests covered...
DescriptionSea Urchin (PSF).png English: Sea Urchin Date 15 June 2019 Source Archives of Pearson Scott Foresman, donated to the Wikimedia Foundation Author...
DescriptionSea urchin (line art) (PSF S-820005 (cropped)).png Raw image from Pearson Scott Foresman donation Date 1 December 2007, 22:57 (UTC) Source scans...
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