drawing of the rock hyrax from the species description by Peter Simon Pallas 1766
A. Schoumann
Peter Simon Pallas: <i>Miscellanea zoologica.</i> Den Haag, 1766, pp. 1–224 (tab. 3) (<a rel="nofollow" class="external autonumber" href="https://www.biodiversitylibrary.org/item/138853#page/48/mode/1up">[1]</a>)