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Kunstformen der Natur (Art Forms in Nature). Museum: PRIVATE COLLECTION. Author: ERNST HAECKEL Stock Photo - Alamy
![Echinidea-Igelsterne from Kunstformen der Natur 1904 by Ernst Haeckel Painting by Shop Ability - Pixels Echinidea-Igelsterne from Kunstformen der Natur 1904 by Ernst Haeckel Painting by Shop Ability - Pixels](https://images.fineartamerica.com/images/artworkimages/mediumlarge/3/echinidea-igelsterne-from-kunstformen-der-natur-1904-by-ernst-haeckel-ernst-haeckel.jpg)
Echinidea-Igelsterne from Kunstformen der Natur 1904 by Ernst Haeckel Painting by Shop Ability - Pixels
Ernst Haeckel - Kunstformen der Natur (1904), plate 91: Spumellaria The Radiolaria, also called Radiozoa, are protozoa of (diameter 0.1–0.2 mm) that produce intricate mineral skeletons, typically with a central capsule dividing
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