Alternative combination: Periscelis annectans
Full reference: A. H. Sturtevant. 1963. A fossil periscelid (Diptera) from the amber of Chiapas, Mexico. Journal of Paleontology 37(1):121-122
Type specimen: UCMP 12639, an exoskeleton. Its type locality is UCMP B-5103, Las Cruces landslide, Simojovel region, which is in a Miocene terrestrial amber in Mexico.