Chordodes ferox, higher magnification of cuticular characters: a cluster composed of two central crowned areoles (car) and surrounding circumcluster areoles (ccar)b cluster with fewer circumcluster areoles (Note transition between circumcluster areoles and simple areoles,sar) c cluster of crowned areoles with long apical filaments (encircled is a thorn areoles) d, f thorn areoles e isolated tubercle next to simple areoles. SEM images: Andreas Schmidt-Rhaesa a from ZMH13363 b, d, e from ZMH13364 c, f from ZMH13366.