A fact from Phallusia mammillata appeared on Wikipedia's Main Page in the Did you know column on 19 May 2016 (check views). The text of the entry was as follows:
This article is part of WikiProject Marine life, an attempt at creating a standardized, informative, comprehensive and easy-to-use resource on marine life. If you would like to participate, you can choose to edit this article, or visit the project page where you can join the project and/or contribute to the discussion. This project is an offshoot of the WikiProject Tree of Life.Marine lifeWikipedia:WikiProject Marine lifeTemplate:WikiProject Marine lifeMarine life articles
Phallusia mammillata 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
