Armadillidium opacum
- kingdom: Animalia
- phylum: Arthropoda
- class: Malacostraca
- order: Isopoda
- family: Armadillidiidae
- genus: Armadillidium
- species: Armadillidium opacum
Hettenshausen
Rohrenfels
Bavaria
Germany
Laveno
Laveno-Mombello
Lombardy
Italy
Maastricht
Limburg
Netherlands
Peggau
Kayl
Segeltorp