Oniscigastridae

Definition

A family of mayflies (order Ephemeroptera) within the superfamily Baetoidea, characterized by aquatic nymphs and short-lived winged adults.

Etymology

Example

Oniscigastridae, along with other families in Baetoidea, represent some of the most evolutionarily basal lineages among living mayflies.

Related Terms

• Baetoidea
• Ephemeroptera
• Mayfly
• Siphlonuridae

Usage Notes

A small family of basal mayflies; specialists studying mayfly phylogeny and systematics may encounter this group when working with Australian or Southern Hemisphere faunas where the family has been recorded. The family is distinguished from the related Siphlonuridae by subtle wing venation and genitalic characters.