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A new fossil lacewing genus and species from the Middle Jurassic of Inner Mongolia, China

100%

Wang Y., Liu Z., Ren D.

Acta Palaeontologica Polonica

2009

tom 54

nr 3

557-560

A new fossil lacewing, Tenuosmylus brevineurus gen. et sp. nov., was collected from an outcrop of Middle Jurassic strata in the village of Daohugou, Inner Mongolia, China. The new genus is assigned to Gumillinae based on eleven defining characteristics of the subfamily. The affiliation of Tenuosmylus including other five genera of the subfamily is discussed. Our result supports the opinion that Epiosmylinae was a junior synonym of Gumillinae, which is likely a relic of ancient osmylids based on similarity of forewing venation. Veins Mp₂ and Cu₂ have complicated branches that are generally present in extinct as well as some extant subfamilies (Poriminae, Eidoporisminae, Stenosmylinae). A key is given to differentiate six known genera within Gumillinae.

Ograniczanie wyników

1 Acta Palaeontologica Polonica

1 Liu Z.

1 Ren D.

1 Wang Y.

1 2009

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A new fossil lacewing genus and species from the Middle Jurassic of Inner Mongolia, China