A depressum?

A depressum?

Observation - A depressum?. Description: Anyone help with a positive ID on this please. I think it's Armadillidium depressum, but not too sure. It's 15mm long and was found in leaf litter in my garden, it has two pairs of lungs underneath.

Anyone help with a positive ID on this please. I think it's Armadillidium depressum, but not too sure. It's 15mm long and was found in leaf litter in my garden, it has two pairs of lungs underneath.