Subtribe Tachyina Motschulsky 1862 (ground beetle)
Insecta - Coleoptera - Carabidae
Parent taxon: Tachyini according to D. R. Maddison et al. 2019
Sister taxa: none
Subtaxa: Elaphropus Polyderis Tachys
Ecology:
Distribution:
• Quaternary of the United Kingdom (2 collections), United States (2: Colorado, Hawaii)
• Miocene of Mexico (1)
• Eocene of Denmark (1), the Russian Federation (1), United States (1: Colorado)
Total: 8 collections each including a single occurrence