The 'catamarcense' subspecies' spines are of 2 colors.
The 'schmidianum' subspecies has only brown spines that are oval in the cro...Read Moress section.
The 'acinacispinum' subspecies has ribs that are upright & sharp edged with strong chin-like protrusions. The spination is lighter.
The 'catamarcense' subspecies' spines are of 2 colors.
The 'schmidianum' subspecies has only brown spines that are oval in the cro...Read More