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 radiaria Plate VIII . ii 'c cr ro oc'a ' rX Ojv ' Du'tyureras Virchuwii Hkl Olfl Dirnpoiliimi triloliiini Hhl Haeckel dei WarfenscMeber sc Plate VIII Illustration Atlas biodiversitylibrary org title Haeckel Ernst Biodiversity Heritage Library National Fossil Day Die Radiolarien Rhizopoda radiaria