Table S1. Omitted genera and species in the analysis (Although seven genera were omitted in the cladistic analysis, we present a temporary placement of these genera based on phylogenetic analysis and morphological traits (Fig. 17)). Genus Angarogramma Apochrysogramma Kalligramma Kalligrammina Kalligrammula Kallihemerobius Limnogramma Meioneurites Palparites Protokalligramma Sinokalligramma Species A. incertum Ponomarenko, 1984 P. bifaciatum Yang et al., 2011 K. flexuosum Panfilov, 1968 K. haeckeli Walther, 19the 04 K. jurarchegonium J. Zhang & H. Zhang, 2003 K. roycrowsoni Jarzembowski, 2001 K. sharovi Panfilov, 1968 K. areolata Panfilov, 1980 K. atra Ponomarenko, 1992 K. senckenbergiana Handlirsch, 1919 K. aciedentatus sp. nov. K. pleioneurus Ren & Oswald, 2002 L. mira Ren, 2003 M. schlosseri Handlirsch, 1906 P. deichmuelleri Handlirsch, 1906 P. bifasciatum Yang et al., 2011 S. jurassicum Zhang, 2003 Geological Age Later Jurassic/Uda Fm. Middle Jurassic/Jiulongshan Fm. Later Jurassic/Karabastau Fm. Later Jurassic/Solnhofen Fm. Middle Jurassic/Haifanggou Fm. Early Cretaceous/Wadhurst Clay Fm. Later Jurassic/Karabastau Fm. Later Jurassic/Karabastau Fm. Early Cretaceous/Shine-Khuduk Fm. Later Jurassic/Solnhofen Fm. Middle Jurassic/Jiulongshan Fm. Middle Jurassic/Jiulongshan Fm. Early Cretaceous/Yixian Fm. Later Jurassic/Solnhofen Fm. Later Jurassic/Solnhofen Fm. Middle Jurassic/Jiulongshan Fm. Middle Jurassic/Daohugou Fm. Reason for omission Lack of exact description The wing partly preserved Only hindwing preserved Lack of exact description Only hindwing preserved Lack of exact description Only hindwing preserved Only hindwing preserved Lack of exact description Lack of exact description Only hindwing preserved Only hindwing preserved Only hindwing preserved Lack of exact description Lack of exact description The wing partly preserved Only hindwing preserved