Platycrossos is an extinct genus of
protocoleopteran beetles in the family
Permosynidae. It is known from the
Triassic and
Jurassic of Australia, Austria, Mongolia and Russia. Like other members of the family, the species of this genus were described from fossils of isolated elytra with punctate striae.[2][3]
^A. G. Ponomarenko, D. S. Aristov, A. S. Bashkuev, Yu. M. Gubin, A. V. Khramov, E. D. Lukashevich, Yu. A. Popov, L. N. Pritykina, S. M. Sinitsa, N. D. Sinitshenkova, I. D. Sukatsheva, D. V. Vassilenko, E. V. Yan (2014). "Upper Jurassic Lagerstätte Shar Teg, southwestern Mongolia". Paleontological Journal 48 (14): 1573–1682. doi:10.1134/S0031030114140160.