Description Male copulatory organ, drawing from live specimenAuthor Karling, 1995PNG file - 22.37 kB - 379 x 573 pixelsadded on 2017-04-07277 viewsWoRMS taxaScan of photoGnathorhynchus riseri Karling, 1995checked Tyler, Seth 2017-04-07 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License