Tribe Opisthiini Dupuis 1912 (ground beetle)
Insecta - Coleoptera - Carabidae
Parent taxon: Nebriinae according to P. Bouchard et al. 2011
Sister taxa: Ledouxnebria, Nebriini, Notiophilini, Pelophilini
Subtaxa: Opisthius
Ecology:
Distribution:
• Quaternary of Greenland (1 collection), United States (2: Washington)
Total: 3 collections each including a single occurrence