†Isonychia alderensis Lewis 1977 (mayfly)
Click image to enlarge. Click to access iDigBio record.
Insecta - Ephemeroptera - Isonychiidae
Full reference: S. E. Lewis. 1977. Two new species of fossil mayflies (Ephemeroptera: Neoephemeidae and Siphlonuridae) from the Ruby River basin (Oligocene) of southwestern Montana. Proceedings of the Entomological Society of Washington 79:583-587
Belongs to Isonychia according to S. E. Lewis 1977
Sister taxa: none
Type specimen: Its type locality is Ruby River, between Peterson and Morman Creeks, which is in a Whitneyan lacustrine shale in the Renova Formation of Montana
Ecology:
Distribution: found only at Ruby River, between Peterson and Morman Creeks
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.