Crinoids; Echinoderms; Fossils
Photograph by Mark A. Wilson of Xenocrinus baeri (Meek, 1872), an Upper Ordovician crinoid calyx from the Bull Fork Formation, Caesar Creek, Ohio, collected by Bianca Hand.
Wilson, Mark A.
According to Wikimedia Commons, Mark A. Wilson has dedicated the work to the public domain by waiving all of his rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
Wilson, Mark A., “Fossilized Crinoid,” SCRC Virtual Museum at Southern Illinois University's Morris Library, accessed April 11, 2021, https://scrcexhibits.omeka.net/items/show/668.