Children (21 direct children, 208 direct and indirect children):
Alloperla
(tree size 51)
Alaskaperla
(tree size 2)
Bisancora
(tree size 2)
Haploperla
(tree size 13)
Kathroperla
(tree size 3)
Paraperla
(tree size 3)
Plesioperla
(tree size 2)
Plumiperla
(tree size 2)
Pontoperla
(tree size 2)
Siphonoperla
(tree size 14)
Suwallia
(tree size 26)
Sweltsa
(tree size 48)
Triznaka
(tree size 4)
Utaperla
(tree size 3)
Xanthoperla
(tree size 6)
Isoptena
(tree size 1)
Rasvena
(tree size 1)
Sasquaperla
(tree size 1)
Chloroperlinae
(tree size 3)
Paraperlinae
Dipsoperla