The star-shaped image on the right is an illustration by Ernst Haeckel. The image is one of a collection that was first published in 1904 in his book entitled Kunstformen der Natur – Art Forms in Nature.
Acanthometra is the taxa used by Haeckel. The Modern English taxonomical term is Acanthometrides, an order of marine protozoans in the Subclass Acantharia with 20 or less skeletal rods.
Why is this illustration on this website? I'm simply taken by it. In a number of ways. There's no hidden meaning. I hope that by not attempting to say more, it will help you to have your own experience as well.