Diplopoda, Chordeumatida, Caseyidae, Opiona columbiana Chamberlin, 1951: Distribution extensions into the Alexander Archipelago, Alaska, USA, Queen Charlotte Islands, British Columbia, Canada, and eastern & southern Washington State, USA; additional new records from British Columbia and Washington.

• Main Authors: Shelley, R. M., Shear, W. A., Leonard, W. P., Ovaska, K.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Pensoft Publishers 2007
• Subjects: Biology (General); QH301-705.5; Canada; British Columbia; Queen Charlotte; Archipelago; Alaska
• Online Access: https://doaj.org/article/d29b1741d4734d16982f052f584ed7dd