First fossil of an oestroid fly (Diptera: Calyptratae: Oestroidea) and the dating of oestroid divergences Cerretti, Pierfilippo ; Stireman, John O. ; Pape, Thomas ; O'Hara, James E. ; Marinho, Marco A. T. ; Rognes, Knut ; Grimaldi, David A. Abstract Publication: PLoS ONE Pub Date: August 2017 DOI: 10.1371/journal.pone.0182101 Bibcode: 2017PLoSO..1282101C