Monomorium mayrianum

Distribution
This taxon was described from Baltic Amber (Eocene).

Nomenclature

 * †gracillimus. †Lampromyrmex gracillimus Mayr, 1868c: 95, pl. 5, figs. 97, 98 (w.) BALTIC AMBER (Eocene). [Junior secondary homonym of gracillima Smith, above.] Replacement name: †mayrianum Wheeler, W.M. 1915h: 45. [Combination in error, with Lophomyrmex gracillimus for †Lampromyrmex gracillimus: Dlussky, 1997: 57.]
 * † mayrianum. †Monomorium mayrianum Wheeler, W.M. 1915h: 45. Replacement name for †Lampromyrmex gracillimus Mayr, 1868c: 95. [Junior secondary homonym of Myrmica gracillima Smith, F. 1861a: 34.]