[5] Additionally, the species is part of the "Armadillidium insulanum complex", a group of closely related, small sized pill bugs that occur in various Aegean Islands and the nearby Greek and Turkish coasts.

[2][4][6] The subspecies, and their diagnostic characters, are the following:[5] Armadillidium atticum is a small to medium sized species, reaching maximum dimensions of only about 13.5 x 5.8 mm.

The frontal shield surpasses the anterior edge of the head, has a straight to curved upper margin and its lateral corners are pronounced.

In particular, until now, the species has been found in the region of Attica on the mainland and the islands of Euboea, Salamis, Aegina and Kythnos in the Aegean Sea.

[3][4][5] Armadillidium atticum is a relatively xerophilic species which can be found in various typical Mediterranean habitats, like maquis, phrygana and their intermediate morphs.