Description Amphipneustes bifidus / left: apical view, right: end of a primary bifid spine.Author Madon-Senez C.JPG file - 136.75 kB - 500 x 300 pixelsadded on 2006-07-24808 viewsEchinoidea taxaAmphipneustes bifidus Mortensen, 1950checked Kroh, Andreas 2013-05-24 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License