The eye is immediately caught by a parade of alien architectures, each form a marvel of geometry and invention, yet all belong to the ancient world of the sea. At the heart of Cystoidea (Cystoids) by Ernst Haeckel, the central figures rise like fantastical towers, their surfaces bristling with patterns that seem both mathematical and organic. Around them, a constellation of orbs and polyhedrons floats against a black void, each one rendered with meticulous care: every ridge, pore, and spine is a clue to a vanished ecosystem.

The play of light across their surfaces picks out the intricacies of their calyxes, inviting the viewer to linger over the symmetry and the strangeness. Haeckel’s composition leads the eye from the commanding central cystoids outward, as if mapping a universe in miniature. Created in 1904 for the celebrated Kunstformen der Natur, this plate is both a scientific document and an aesthetic manifesto. In the late nineteenth and early twentieth centuries, such works were commissioned to reveal the hidden order of nature to a fascinated public—part textbook, part cabinet of curiosities.

Haeckel’s illustrations, grounded in the taxonomy of his time, were meant to astonish as much as instruct, and the names listed—Staurocystis quadrifasciata, Glyptosphaera Leuchtenbergii, and others—anchor these visions in the real debates and discoveries of paleontology. While history has kept few traces of the individual journeys of such images, their legacy endures in the way they collapse the distance between science and art. Each return to the image reveals new harmonies and puzzles, echoing the endless variety of life itself.