''Liometopum rhenana'' is an

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

species of

Oligocene The Oligocene ( ) is a geologic epoch of the Paleogene Period and extends from about 33.9 million to 23 million years before the present ( to ). As with other older geologic periods, the rock beds that define the epoch are well identified but the ...

ant in the genus ''

Liometopum ''Liometopum'' is a genus of ants that belongs to the subfamily Dolichoderinae, found in North America, Europe and Asia. Caterpillars of certain butterfly species have a symbiotic relationship with ''Liometopum'' ants. They produce secretions t ...

''. Described by Meunier in 1917, the fossils were found in

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

References

† Oligocene insects Prehistoric insects of Europe Fossil taxa described in 1917 Fossil ant taxa {{Dolichoderinae-stub