Description Thecostraca is a subclass of marine invertebrates. The original illustration for this was a 19th century drawing by Ernst von Haeckel for the book 'Kunstformen der Natur' or 'Art Forms in Nature.'
Diane Addis, Pacific Northwest Member Since February 2017 Artist Statement I’m a self-taught digital artist, photographer and learning how to do photomanipulation. I also use vintage images, historical photos and pre-20th century fine art images in a variety of ways.