Rhantus papuanus was a species of beetle in family Dytiscidae. It was endemic to Papua New Guinea.
| Rhantus papuanus | |
|---|---|
| Conservation status | |
| Extinct (IUCN 2.3) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Family: | Dytiscidae |
| Genus: | Rhantus |
| Species: | †R. papuanus |
| Binomial name | |
| †Rhantus papuanus
Balfour-Browne, 1939 | |