Coleoptera

https://www.scientificlib.com/en/Biology/Animalia/Arthropoda/Insects/Coleoptera.html

identified. Journal of paleontology, 83: 931–937. DOI: 10.1666/08-158.1 Beutel, R.G.; Ge, S.-Q.; Hörnschemeyer, T. 2008: On the head morphology of Tetraphalerus, the phylogeny of
Coleoptera, Online Biology, Biology, Science

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