Three new genera and three new species of fossil ‘osmylid-like’ Neuroptera or ‘cf. Osmylidae’ are described: Saucrosmylus sambneurus n. gen. and n. sp., Laccosmylus calophlebius n. gen. and n. sp. and Rudiosmylus ningchengensis n. gen. and n. sp., all of them from the Jiulongshan Formation, Middle Jurassic, situated at Ningcheng county, Inner Mongolia, China. The only family to which our fossil lacewings may provisionally be assigned is the Osmylidae. The new fossil genera and species do not reasonably fit in any of the previously known subfamilies within Osmylidae and a new subfamily, Saucrosmylinae, is proposed. Its remarkable features are the large body size, the R1 area with many cross-veins producing 2 or more rows of cells, the curved Rs bent anteriorly distally, nygmata present and the CuA bounding a large triangular area.
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