Description 21. Organization (combined from live and sectioned material). 22. Habitus of specimen with retracted anterior body tip. 23. Anterior body tip and proboscis (combined). 24, 25, 26. Proboscis hard structures (top, oblique, and lateral views; free-hand drawings). 27. Copulatory bulb (combined; scale: 20 pm).Author Noldt, 1989PNG file - 67.80 kB - 553 x 714 pixelsadded on 2017-04-07905 viewsWoRMS taxaScan of photoOrbiculorhynchus luebbeni Noldt, 1989checked Tyler, Seth 2017-04-07 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License