I worked hard to make sure the post was longer than this image. Within the glass sponges (Hexactinellids), so called because of scaffolds of silica spicules they form, resides a family of sponges, the ...

Researchers reporting in the Cell Press journal Current Biology on September 17 have found that sponges build their skeletons in a completely different way than other animals do. In fact, the building ...

April 26 (UPI) --New research suggests ocean sponges aren't as sedentary as once thought. Recent surveys of the Arctic seabed revealed trails of light brown sponge spicules, needle-like support ...

PROF. DENDY'S memoir (in Acta Zoologica, 1921, pp. 95-152, 50 figures) on the evolution of the tetraxonid sponge-spicule will appeal equally to those interested in problems of evolution or in ...