Radiolaria – Marine Plankton Illustration by Ernst Haeckel
from Die Radiolarien (Rhizopoda radiaria) : eine Monographie by Ernst Haeckel (1834-1919) published 1888
Radiolaria – Marine Plankton Illustration by Ernst Haeckel
from Die Radiolarien (Rhizopoda radiaria) : eine Monographie by Ernst Haeckel (1834-1919) published 1887