Pareuryomma
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''Pareuryomma'' is an extinct genus of ommatid beetle. It is known from three species, ''P. angustum, P. cardiobasis'' and P''. tylodes'', all known from the
Aptian The Aptian is an age (geology), age in the geologic timescale or a stage (stratigraphy), stage in the stratigraphic column. It is a subdivision of the Early Cretaceous, Early or Lower Cretaceous epoch (geology), Epoch or series (stratigraphy), S ...
aged
Yixian Formation The Yixian Formation (; formerly Romanization of Chinese, transcribed as Yihsien Formation or Yixiang Formation) is a geological formation in Jinzhou, Liaoning, People's Republic of China, that spans the Barremian stage of the Early Cretaceous. I ...
of China. The genus was first described in 2012, and formerly included the species ''Pareuryomma ancistrodonta'' from the Middle Jurassic
Jiulongshan Formation The Haifanggou Formation (), also known as the Jiulongshan Formation (), is a fossil-bearing rock deposit located near Daohugou () village of Ningcheng County, in Inner Mongolia, northeastern China. The formation consists of coarse Conglomerate ( ...
, China, which was transferred to the genus ''
Omma ''Omma'' is a genus of beetles in the family Ommatidae. ''Omma'' is an example of a living fossil. The oldest species known, ''O. liassicum'', lived during the final stage of the Triassic (Rhaetian), over 200 million years ago, though the placemen ...
'' in 2020. The species ''P. angustum'' was formerly thought to be part of '' Brochocoleus''. The genus is characterised by "slender body, long and subparallelsided or slightly narrowed head with moderately prominent eyes and more or less prominent temples, narrow pronotum with more or less explanate lateral carinae, elytra with the veins more or less well expressed and independently ending on Sc, large cells more or less arranged in rows on disc and moderately widely explanate sides of the elytra, and abdominal ventrites co-planar."''''


References

Aptian life Ommatidae Yixian fauna Fossil beetle genera {{paleo-beetle-stub