Helicostyla diana (Broderip 1841)

body length

• Shelled animal body mass: 53 mm (adult, single measurement)
• Femorale: 53 mm (adult, single measurement)

body volume

• Shelled animal body mass: 11.3 cm^3 (adult, single measurement)

wet body mass

• Shelled animal body mass: 19.7 g (adult, single measurement)