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M. Fikacek, A. Prokin, R.B. Angus, A. Ponomarenko, Y. Yue, D. Ren, J. Prokop
Revision of Mesozoic fossils of the helophorid lineage of the superfamily Hydrophiloidea (Coleoptera: Polyphaga)
Acta Entomologica Musei Nationalis Pragae. 2012. Vol. 52, No 1. P. 89-127.