Taxonomy
The family is divided into the following genera: * Genus: '' Edmundsius'' * Genus: '' Parameletus'' * Genus: '' Siphlonisca'' * Genus: '' Siphlonurus''Family Overview
The labrum (upper lip) is not notched in the middle; the antennae are shorter than twice the width of the head; the maxillae on the underside of the head lack prominent rows of golden spines; the abdominal gills are rounded and similar to each other in structure; 3 long slender filaments at the end of the body are about equally long.References
Mayflies Insect families {{Mayfly-stub