Subfamily Coptotominae Van den Branden 1885 (predaceous diving beetle)
Insecta - Coleoptera - Dytiscidae
Full reference: C. Van den Branden. 1885. Catalogue des coléoptères carnassiers aquatiques (Haliplidae, Amphizoïdae, Pelobiidae et Dytiscidae). Annales de la Société Entomologique de Belgique 29:5-118
Parent taxon: Dytiscidae according to C. Y. Cai et al. 2022
See also Hendrich and Balke 2020
Sister taxa: Agabinae, Angaragabus, Aubehydrinae, Colymbetinae, Copelatinae, Cretodytes, Cybisterinae, Dytiscinae, Hydroporinae, Laccophilinae, Liadytiscinae, Necticus palustris, Palaeodytes, Sinoporus
Subtaxa: Coptotomini
Type: Coptotomus
Ecology:
Distribution:
• Eocene of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence