Genus: Hydaticus
Tre arter registrert i Norge.
Systematics :
| Kingdom | Animals (Animalia) | ||||||
| Phylum | Articulate animals (Arthropoda) | ||||||
| Klasse | Insects (Insecta) | ||||||
| Order | Biller (Coleoptera) | ||||||
| Family | Vannkalver (Dytiscidae) | ||||||
| Genus | Hydaticus | ||||||
| Species | Hydaticus seminiger | ||||||
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