File:A monograph of the terrestrial Palaeozoic Arachnida of North America progress Page77 fig 81.png
Jump to navigation
Jump to search
A_monograph_of_the_terrestrial_Palaeozoic_Arachnida_of_North_America_progress_Page77_fig_81.png (291 × 483 pixels, file size: 37 KB, MIME type: image/png)