†Ypresiomyrma bartletti Archibald et al., 2006: 493, figs. 3, 16I, 17C (q.) CANADA (British Columbia, Eocene).

Primary type information: Primary type material: holotype queen. Primary type locality: Canada: British Columbia: the McAbee locality; Kamloops Group, unnamed formation; Eocene: Ypresian; ix.1994 (Rod Bartlett). Primary type depository: Geological Survey of Canada, Ottawa, Canada collection. Primary type specimen: GSC 127632a (part) and 127632b (counterpart).