https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/2266686Edit ImageSaveSaveEditCropCustom TextThuroidea–Gurkensterne from Kunstformen der Natur (1904) by EErnst Haeckel. Original from Library of Congress. Digitally enhanced by rawpixel.MorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseJPEGTIFFPortrait Card 5 x 7" JPEG 1429 x 2000 px | 300 dpiLarge JPEG 2500 x 3500 px | 300 dpiBest Quality JPEG 5304 x 7426 px | 300 dpiPortrait Card 5 x 7" TIFF 1429 x 2000 px | 300 dpiBest Quality TIFF 5304 x 7426 px | 300 dpi | 225.42 MBFree DownloadThuroidea–Gurkensterne from Kunstformen der Natur (1904) by EErnst Haeckel. Original from Library of Congress. Digitally enhanced by rawpixel.More