Tribe Aciliini Thomson 1867 (predaceous diving beetle)
Insecta - Coleoptera - Dytiscidae
Parent taxon: Dytiscinae according to P. Bouchard et al. 2011
See also Nilsson 2001
Sister taxa: Ambarticini, Dytiscini, Eretini, Hydaticini
Subtaxa: Acilius Graphoderus
Ecology:
Distribution:
• Quaternary of the Russian Federation (1 collection), Ukraine (1), the United Kingdom (1)
• Miocene of Germany (2), Poland (1), the Russian Federation (1)
• Eocene of United States (1: Colorado)
Total: 8 collections each including a single occurrence