Clade Tetramerotarsata Kluge 1997 (mayfly)
Parent taxon: Tridentiseta according to N. J. Kluge 2004
Sister taxa: Acanthametropodidae, Ameletidae, Ameletopsidae, Ametropodidae, Metretopodidae
Subtaxa: Baetidae
Ecology:
Distribution:
• Pliocene of Australia (1 collection)
• Miocene of Australia (1), Mexico (2), United States (2: California)
• Eocene of Poland (1), the Russian Federation (1)
• Cretaceous of Myanmar (3), the Russian Federation (2)
Total: 13 collections each including a single occurrence