Key: Step 611. Orthocladiinae 23 Corynoneura

611a. Frontal setae taeniate, about 5µm wide, about 150µm long; dorsocentral seta 3 taeniate, 3-5µm wide, long, about 135µm. Sternite II spinules about 3µm long.

Corynoneura gratias

611b. Frontal setae narrow taeniate or setaceous.

Step 612. Orthocladiinae 24 Corynoneura
Decision path