Insecta - Coleoptera - Dytiscidae
Alternative spelling: Hydroporides
Full reference: C. Aubé. 1836. Iconographie et Histoire Naturelle des Coléoptères d’Europe; Tome Cinquième. Hydrocanthares 1-64
Parent taxon: Dytiscidae according to C. Y. Cai et al. 2022
See also Bouchard et al. 2011, Lawrence and Newton 1995, Miller and Lubkin 2001 and Nilsson 2001
Sister taxa: Agabinae, Angaragabus, Aubehydrinae, Colymbetinae, Copelatinae, Coptotominae, Cretodytes, Cybisterinae, Dytiscinae, Laccophilinae, Liadytiscinae, Necticus palustris, Palaeodytes, Sinoporus
Subtaxa: Bidessini Glessaria Hydroporini Hygrotini Hyphydrini Methlini Procoelambus Schistomerini Vatellini
Type: Hydroporus
Distribution:
• Quaternary of Canada (4: Ontario collections), Greenland (7), the Russian Federation (8), Ukraine (1), the United Kingdom (8), United States (4: Pennsylvania, Washington, Wisconsin)
• Miocene of Germany (2), Poland (1), the Russian Federation (2), United States (22: California)
• Oligocene of France (1), Germany (1)
• Eocene of Germany (1), Poland (1), the Russian Federation (2), the United Kingdom (2), United States (3: Colorado)
Total: 70 collections including 123 occurrences