The 'gounellei' subspecies is most abundant of the 2 subspecies. It has central spines that are clearly longer than the radial spines. Th...Read Moree spines are brownish to gray opaque, strong and stout.
The 'zehntneri' subspecies has spines that are fragile, translucent, slender and golden to reddish. The central spines are about the same length as the radial spines.
The 'gounellei' subspecies is most abundant of the 2 subspecies. It has central spines that are clearly longer than the radial spines. Th...Read More