Acavoidea Pilsbry 1895

An egg of an Acavus snail, beside an adult shell for comparison.

The large land snail, Acavus superbus, has a brightly coloured shell that, in adults, is often covered with green algae.

The 3 different colour forms of Acavus superbus, superbus (left), grevillei (centre) and roseolabiatus (right).

A village home garden near Neluwa in southwestern Sri Lanka, the habitat of Acavus haemastoma (image: D. Raheem, Natural History Museum).

The Bulutota hills, southwestern Sri Lanka. The foreground on the right shows where rainforest has been converted to tea small holdings (image: D. Raheem, Natural History Museum).

Different views of the shell of the land snail, Acavus superbus