''Pteroporus antiquus'' is a species of

beetle Beetles are insects that form the Taxonomic rank, order Coleoptera (), in the superorder Holometabola. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 40 ...

in the family

Dytiscidae The Dytiscidae, from the Ancient Greek word δυτικός (''dystikos''), meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species l ...

, the only species in the genus ''Pteroporus''.Dytiscidae Species List
at Joel Hallan's Biology Catalog. Texas A&M University. Retrieved on 7 May 2012.

References

Dytiscidae Taxa named by Félix Guignot {{Dytiscidae-stub