Pisciforma

Pisciforma is a suborder of mayflies in the order Ephemeroptera. There are at least 410 described species in Pisciforma.

Families

 * Acanthametropodidae (sand-dwelling mayflies)
 * Ameletidae (combmouthed minnow mayflies)
 * Ametropodidae (sand minnows)
 * Arthropleidae (flatheaded mayflies)
 * Baetidae (small minnow mayflies)
 * Heptageniidae (flatheaded mayflies)
 * Isonychiidae (brushlegged mayflies)
 * Metretopodidae (cleftfooted minnow mayflies)
 * Oligoneuriidae (brushleg mayflies)
 * Pseudironidae (crabwalker mayflies)
 * Siphlonuridae (primitive minnow mayflies)