Elegant monochrome chromo-lithograph depicting 5 kinds of Hexactinellid sponges.
Size: 6,5 x 10 inches (c. 16 x 25 cm). Good condition.
Published as Jubilee edition by Brockhaus in Germany in 1900).
It looks great when matted and framed and makes a unique gift.
Hexactinellid sponges are sponges with a skeleton made of four- and/or six-pointed siliceous spicules, often referred to as glass sponges. They are usually classified along with other sponges in the phylum Porifera, but some researchers consider them sufficiently distinct to deserve their own phylum, Symplasma.
Hexactinellid Sponges Lithograph from 1900