Requested reference
Hansen, H. J. (1882). Spindeldyr. In: Schiödte, J. C. (ed.) Zoologia Danica. Kjöbenhavn 3, 1-81, I-V. 
-- Show included taxa
Hansen, H. J. (1882). Spindeldyr. In: Schiödte, J. C. (ed.) Zoologia Danica. Kjöbenhavn 3, 1-81, I-V. -- Show included taxa