Giant Snake-necked Turtle, carapace of juvenile from ventral (left) and dorsal (right)
G.H.Ford
1870
<i>Proceedings of the Zoological Society of London</i> (<a rel="nofollow" class="external text" href="https://archive.org/details/proceedingsofgen70zool">vol. 1870</a>, <a rel="nofollow" class="external text" href="https://archive.org/stream/proceedingsofgen70zool#page/n745/mode/1up">plate XXXIV</a>)