What does this number measure?
Its spiral shell protects part of its soft body. Displayed dimension: representative shell diameter.
Compare the stated dimensions
The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.
Source and limitations
Catalogue value to check against the source; not individually audited.
Naturalistic illustration of a garden snail; anatomy, texture and coloration are interpreted, not photographic. Shell diameter is visually estimated at 66 % of the illustrated width.
