The smallest helonian is the speckled cape tortoise or speckled padloper (Homopus signatus), which has a shell length of between 6 and 9.6 cm (2.3 and 3.7 in). The smallest marine turtle in the world is the Atlantic ridley (Lepidochelys kempii), which has a shell length of 50 – 70 cm (20 – 28 in) and a maximum weight of 80 kg (176 lb).
