A fact from Paracentrotus lividus appeared on Wikipedia's Main Page in the Did you know column on 1 September 2011 (check views). The text of the entry was as follows:
Paracentrotus lividus is within the scope of WikiProject Animals, an attempt to better organize information in articles related to animals and zoology. For more information, visit the project page.AnimalsWikipedia:WikiProject AnimalsTemplate:WikiProject Animalsanimal articles
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