Ernst Haeckel was a turn of the century German biologist that changed the world with his scientific illustrations.
Ammonitida, plate 44, Kunstformen der Natur (1904) by Ernst Haeckel. You can't really go wrong with Haeckel.
Ernst Haeckel’s ”Kunstformen der Natur” showing various sea anemones classified as Actiniae. From Wikimedia Commons.
Art of Diatom algae (from Ernst Haeckel) B305/0177 Rights Managed Credit: MEHAU KULYK/SCIENCE PHOTO LIBRARY
Ernst Haeckel 1974 Corals Art Print by NaturalistCollection, $5.00
Vintage Ernst Haeckel Seashell Series Sepia Tint Plate 4 Natural History Art Print 8 x 10. $10.00, via Etsy.
Thalamophora with alternating spiral by Ernst Haeckel
Ernst Haeckel in 1834 - 1919. Kunstformen der Natur - Interesting and forgotten - life and curiosities of past eras.
Diatoms. Ernst Haeckel..