The case has a length of up to 10 mm.

The species can reach a length of 3 to 7 mm.

It can reach a total length of at least 60 mm.

This species can reach a total length of at least 20 mm.

It can grow to reach a total length of 40 mm.

The special round has an overall length of 97 mm.

The white shell is small with a length of 6 mm.

This animal may reach a total length of 30 mm.

This animal can reach a total length of more than 120 mm.

It is very small, reaching a total length of no more than 25 mm.