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Krzeminska, E., Blagoderov, V.A. & Krzeminski, W., 1993. Elliidae, a new fossil family of the infraorder Axymyiomorpha (Diptera).  Acta Zoologica Cracoviensia, 35(3), pp.581-591. Available at: http://www.online-keys.net/sciaroidea/1991_2000/Krzeminska&al_Elliidae_AZC_ocr.pdf.