PaleoDB taxon number: 282012
Full reference: T. D. A. Cockerell and H. Andrews. 1916. Dragon-flies from the English Oligocene. Proceedings of the Biological Society of Washington 29:89-92
Type specimen: BMNH I.8631, a wing. Its type locality is Bembridge Marls (Brodie coll), which is in a Priabonian lagoonal/restricted shallow subtidal lime mudstone in the Bouldnor Formation of the United Kingdom.
Ecology: fast-moving volant carnivore-insectivore