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:
Jacobi Theodori Klein secret. reip. gedan. et Societ. Reg. Lond. Sod. Naturalis dispositio Echinodermatum Tab. XXI . JS XXL imkwH ct FlcerJx cd iair felf uctj ipnlice WSfrr Tab XXI Illustration biodiversitylibrary org title Boetius Christian Friedrich Klein Jacob Theodor Knorr Georg Wolfgang Schreiber Thomas Johann Str