• Root
• Nature
• Animals
• Mollusks
• Trigonephrus
• Gastropods
• Dorcasiidae

	Parent	Category	Figures
1	Trigonephrus	globulus	5
2	Trigonephrus	porphyrostoma	1
3	Trigonephrus	lucanus	1
4	Trigonephrus	haughtoni	1