Original sentence: The largest of the terrestrial snails is the Giant African snail, Achatina achatina, at up to 1 kg (2.2 lb) and 35 cm (14 in) long
Edited sentence: The largest of the land snails is the Giant African snail, Achatina achatina, at up to 1 kg (2.2 lb) and 35 cm (14 in) long