Subfamily Isoperlinae Frison 1942 (perlodid stonefly)
Insecta - Plecoptera - Perlodidae
Alternative spelling: Isoperlidae
Full reference: T. H. Frison. 1942. Studies of North America Plecoptera, with special reference to the fauna of Illinois. Illinois Natural History Survey Bulletin 22:235-356
Parent taxon: Perlodidae according to C. Jouault et al. 2021
Sister taxa: Derancheperla, Isoperlodes, Perlodes
Subtaxa: Isoperla
Type: Isoperla
Ecology: volant detritivore-omnivore
Distribution:
• Eocene of Poland (2 collections), the Russian Federation (1)
Total: 3 collections each including a single occurrence