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.
Ornithodira. Schema stamboom archosauromorpha Transferred from org nl Original text Zelfgemaakt MWAK at org nl Released into the public domain by the author nl MWAK original upload log page nl Ornithodira MWAK bytes no Schema stamboom archosauromopha Zelfgemaakt MWAK Cladograms of Dinosauromorpha
Page 2023 Free-images.com. All images are Public Domain