†Myrmica schaefersi Jessen, 2020: 1034, fig. 11a-c (q.) GERMANY (Oligocene).

Primary type information: Primary type material: holotype alate queen. Primary type locality: Germany: Rhineland-Palatinate, Enspel Oilshale, Enspel Formation, Upper Oligocene, MP 28; (24.56–24.79 Ma, Mertz et al. 2007), layer S16. Primary type depository: NHMM. Primary type specimen: NHMM-PE2009/5826-LS.