Talk:Calcareous sponge
Latest comment:12 years agoby Howcheng in topicFile:Haeckel Calcispongiae.jpg to appear as POTD soon
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File:Haeckel Calcispongiae.jpgto appear as POTD soon
editHello! This is a note to let the editors of this article know thatFile:Haeckel Calcispongiae.jpgwill be appearing aspicture of the dayon August 4, 2012. You can view and edit the POTD blurb atTemplate:POTD/2012-08-04.If this article needs any attention or maintenance, it would be preferable if that could be done before its appearance on theMain Pageso Wikipedia doesn't look bad.:) Thanks!—howcheng{chat}16:34, 3 August 2012 (UTC)
Plate 5 fromErnst Haeckel'sKunstformen der Natur,showing a variety ofcalcareous sponges,aclassof about 400 marinespongesthat are found mostly in shallow tropical waters worldwide. Calcareous sponges vary from radially symmetrical vase-shaped body types to colonies made up of a meshwork of thin tubes, or irregular massive forms. The skeleton has either a mesh or honeycomb structure.Image credit:Ernst Haeckel