"Gnorimosphaeroma oregonensis, the Oregon pill bug, is a small intertidal isopod crustacean. It is an oval-shaped organism roughly 6 mm in length, and about twice as long as it is wide. The primary habitat of G. oregonensis is the mid-Californian to Alaskan coast, where it inhabits tidal pools and the intertidal region up to depths of 24 metres (79 ft)."@en . . . "Gnorimosphaeroma oregonensis"@en . . . . "Sphaeroma oregonensis (Dana, 1853)" . . . . . .