• Root
• Nature
• Animals
• Arthropods
• Myriapods
• Millipedes
• Round-backed Millipedes

	Parent	Category	Figures
1	Spirobolidae	Narceus	1560
2	Spirobolidae	Tylobolus	303
3	Spirobolidae	Chicobolus	134
4	Spirobolidae	Hiltonius	40
5	Spirobolidae	Spirobolus	15
6	Spirobolidae	Aztecolus	3