FIGURE 3 in Morphology of the lectotype of Chelodina oblonga Gray 1841 (Testudines: Chelidae)

FIGURE 3. Lithographic plate (left) of "Chelodina oblonga" reproduced from Gray (1856a), where it lacks any specimen number or indication of provenance. As per the standard lithographic process, the final printed illustrations are horizontally inverted from the original stone etching drawn from the specimen. Photographs (right) of NHMUK 42.1.13.123, which has the same unique abnormality of posterior vertebrals and is the specimen from Port Essington in modern Northern Territory, Australia figured in Gray's plate.