Insecta - Diptera - Archisargidae

Alternative combinations: Helempis yixianensis, Ovisargus yixianensis

Full reference: D. Ren. 1998. Late Jurassic Brachycera from northeastern China (Insecta: Diptera). Acta Zootaxonomica Sinica 23:65-82

Belongs to Ovisargus (Helempis) according to J. F. Zhang 2014

See also Grimaldi and Barden 2016, Ren 1998 and Zhang 2012

Sister taxa: none

Type specimen: GMCB LB97024, an exoskeleton. Its type locality is Near Chaomidian Village (GMC Beijing coll), which is in a Barremian lacustrine - large mudstone in the Yixian Formation of China.

Distribution: found only at Near Chaomidian Village (GMC Beijing coll)

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Specimen images are retrieved through the ePANDDA API.