Forever Love: The Hitherto Earliest Record of Copulating Insects from the Middle Jurassic of China Li, Shu ; Shih, Chungkun ; Wang, Chen ; Pang, Hong ; Ren, Dong Abstract Publication: PLoS ONE Pub Date: November 2013 DOI: 10.1371/journal.pone.0078188 Bibcode: 2013PLoSO...878188L