Graphoderus
Graphoderus is a genus of beetle in family Dytiscidae native to the Holarctic.
Extant species
The genus Graphoderus contains the following 12 species:- Graphoderus adamsii
- Graphoderus austriacus
- Graphoderus bieneri Zimmermann, 1921
- Graphoderus bilineatus
- Graphoderus cinereus
- Graphoderus elatus Sharp, 1882
- Graphoderus fascicollis
- Graphoderus liberus
- Graphoderus manitobensis Wallis, 1933
- Graphoderus occidentalis Horn, 1883
- Graphoderus perplexus Sharp, 1882
- ''Graphoderus zonatus''
Extinct species