A full-text article (Cunha et al., 2009).[1] It is the source of multiple images on Wikimedia Commons that are used on several thousand Wikimedia pages in total.
That article's Fig. 3, published as a bitmap file. It contains a number of potentially reusable image files, but due to the bitmap format, they are heavily pixelated and can only be used at small size.
An element of that Fig. 3, exhibiting bitmap artifacts. At lower size (), it labels over 1600Muricidae-related stubs.
Reuse can occur at different levels of granularity.
