PaleoDB taxon number: 193726
Full reference: M. S. Engel and S. B. Archibald. 2003. An Early Eocene bee (Hymenoptera: Halictidae) from Quilchena, British columbia. The Canadian Entomologist 135:63-69
Type specimen: Q-0424a&b, an exoskeleton (complete body with fragmentary wings). Its type locality is Quilchena, which is in a Ypresian lacustrine - large mudstone in the Coldwater Beds Formation of Canada.
Average measurements (in mm): body length 8.00, wing length 7.10