Amber

Fossil mayfly (Ephemeroptera indet.) and fly (Diptera indet.), in amber, from the Upper Eocene to Lower Oligocene of Palanga, Lithuania

Burmese amber

Fossil mayfly (Ephemeroptera), two beetles (Coleoptera) and parasitic wasp (Hymenoptera: Parasitica), in a piece of amber-coloured Burmese amber, from the Cenomanian Age of the Noije Bum Amber Mine, Kachin State, Myanmar

Mexican amber

Fossil two mayflies (Ephemeroptera), planthopper (Fulgoroidea), spider (Araneae), wasp (Hymenoptera: Parasitica) and midge (Chironomidae) in an amber -coloured piece of Mexican amber, of Miocene (Burdigalian-Langhian) age from Simojovel, Chiapas State, Mexico

Baltic amber

Fossil mayfly (Ephemeroptera) in an amber-coloured piece of Baltic amber, of Priabonian age, from Lithuania