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Coptoclava longipoda Ping, 1928
Images: 
By oilshale
Taxonomy
Water beetle
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Coptoclavidae
Genus: Coptoclava
Species: Coptoclava longipoda
Author Citation Ping, 1928
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Cretaceous
Sub Period: None
Epoch: Early
International Age: Aptian
Stratigraphy
Jehol Group
Jiufotang Formation
Provenance
Acquired by: Purchase/Trade
Location
Jinzhou
Liaoning
China
Comments
A predaceous water beetle.
Taxonomy from Xianye et al. 2018.
Diagnosis (Xianye et al. 2018, p. 4): "Head prognathous with strong mandibles; a pair of rounded compound eyes on the sides of the head; femur narrow and slightly longer than the tibia, with a pair of strong spurs; tarsus pointed towards the end, with a pair of strong claws; abdomen with 8 sterna with a spiracle on each side; female has three pairs of valvulae attached to the eighth sternum; elytra scabrous with a few longitudinal striae; the junctions of the front and posterior margins of the elytra are clearly angled, the elytra protruding, the front edge arcuate."
Line drawing from Xianye et al. 2018, p. 15:
Identified by oilshale.
References:
C. Ping. 1928. Study of the Cretaceous fossil insects of China. Palaeontologia Sinica, Series B 13:5-57.
Xianye, Z., Xiangdong, Z., Jarzembowski, E.A., Lei, C., Bo, W., (2018) First record of adult Coptoclava longipoda Ping (Coleoptera: Coptoclavidae) from the Lower Cretaceous of Laiyang, China, Cretaceous Research, doi: 10.1016/j.cretres.2018.08.013.
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