†Sphecomyrma nexa Sosiak et al., 2024: 1756, figs 1A, 2, S1 (w.) U.S.A. (North Carolina, Campanian amber).

Primary type information: Primary type material: holotype worker. Primary type locality: U.S.A.: North Carolina, along the Neuse River near Goldsboro, a locality that is part of the Cretaceous Black Creek Formation; from an amber deposit in an Upper Cretaceous (Campanian) outcrop. Primary type depository: AMNH. Primary type specimen: AMNH-NC-515.