Life (root) » Animalia (Animals) » Arthropoda (Arthropods) » Hexapoda (Hexapods) » Insecta (Insects) » Pterygota » Ephemeroptera (Mayflies) » Pisciforma » Heptagenioidea » Heptageniidae (Flatheaded Mayflies) » Stenacron » Stenacron candidum