![Hexadoras, Hexalonche, Hexacontium, Illustration of various radiolarians of the Spumellaria and Nassellaria groups from the 19th century, signed: E. Haeckel and A. Giltsch Del, F. Giltsch, Jena, Lithogr, Pl. 25, after p. 248, Hexadoras, Hexalonche, Hexacontium, Illustration of various radiolarians of the Spumellaria and Nassellaria groups from the 19th century, signed: E. Haeckel and A. Giltsch Del, F. Giltsch, Jena, Lithogr, Pl. 25, after p. 248,](https://c8.alamy.com/comp/2A2RN0R/hexadoras-hexalonche-hexacontium-illustration-of-various-radiolarians-of-the-spumellaria-and-nassellaria-groups-from-the-19th-century-signed-ehaeckel-and-a-giltsch-del-f-giltsch-jena-lithogr-pl-25-after-p-248-haeckel-ernst-del-giltsch-a-del-giltsch-f-lith-jena-lith-1862-ernst-haeckel-die-radiolarien-rhizopoda-radiaria-zweiter-theil-berlin-verlag-von-georg-reimer-1862-2A2RN0R.jpg)
Hexadoras, Hexalonche, Hexacontium, Illustration of various radiolarians of the Spumellaria and Nassellaria groups from the 19th century, signed: E. Haeckel and A. Giltsch Del, F. Giltsch, Jena, Lithogr, Pl. 25, after p. 248,
![Ernst Haeckel: Die Radiolarien (RHIZOPODA RADIARIA) Berlin, 1862 - PICRYL - Public Domain Media Search Engine Public Domain Search Ernst Haeckel: Die Radiolarien (RHIZOPODA RADIARIA) Berlin, 1862 - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn2.picryl.com/photo/1862/12/31/ernst-haeckel-die-radiolarien-rhizopoda-radiaria-berlin-1862-b7f7e8-1024.jpg)
Ernst Haeckel: Die Radiolarien (RHIZOPODA RADIARIA) Berlin, 1862 - PICRYL - Public Domain Media Search Engine Public Domain Search
![Ernst Haeckel: Die Radiolarien (RHIZOPODA RADIARIA) Berlin, 1862 - PICRYL - Public Domain Media Search Engine Public Domain Search Ernst Haeckel: Die Radiolarien (RHIZOPODA RADIARIA) Berlin, 1862 - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn2.picryl.com/photo/1862/12/31/ernst-haeckel-die-radiolarien-rhizopoda-radiaria-berlin-1862-1e9c58-1024.jpg)