Template:Caenidae

Caenidae

Order

Ephemeroptera

Family

Caenidae

Common name

small squaregill mayflies

These "small square-gill" mayflies have operculate (plate-like) gills on segment 2 that cover gills on segments 3 to 6. Their bodies are built for crawling, and their heads are held vertically. The genus Caenis is commonly found.

More information on Caenis.