Requested reference
Koch, C. L. (1833). Arachniden. In: Herrich-Schäffer, G. A. W. (ed.) Deutschlands Insecten. Friedrich Pustet, Regensburg, Heft 119-121. doi:10.5962/bhl.title.15007 -- Show included taxa
Koch, C. L. (1833). Arachniden. In: Herrich-Schäffer, G. A. W. (ed.) Deutschlands Insecten. Friedrich Pustet, Regensburg, Heft 119-121. doi:10.5962/bhl.title.15007 -- Show included taxa