This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Die Radiolarien Rhizopoda radiata Ernst Haeckel Tafel . Die Radiolarien Rhizopoda radiata Ernst Haeckel Tafel Tafel Taf XIX Acanthostaurus purpurascens Hkl Forceps Hkl hastatus Hkl Litholophus Rhipidium Hkl Acanthochiasma Krohnii Hkl fusiforme Hkl Die Radiolarien Rhizopeda radiata Eine Monographie Bd Atlas Georg