Invertebrates make up about 99% of terrestrial biodiversity on our planet. Molluscs are the third most common group after Insects and Fungi. Snails and slugs represent 6% of the world’s terrestrial fauna.
AUSTRALIAN LAND SNAILS:
Australia has about 3000 species of land snails ranging from tiny snails measuring about 1mm to the largest land snail, the Giant Panda Snail, Hedleyella falconeri.