Proceratium compitale Ward, 1988: 113, fig. 6 (w.q.) U.S.A. (Texas). Nearctic.

Primary type information: Type-material: holotype worker. Type-locality: U.S.A.: Texas, Val Verde County, Emerald Sink, 30.xi.1984 (J. Reddell & M. Reyes). Type-depository: LACM. Secondary type information: Paratype-material: 1 paratype worker, 2 paratype queens. Paratype-locality: 1 paratype worker with same data as holotype, 1 paratype queen U.S.A.: Texas, Terrell County, Blackstone Cave, 5.ii.1967 (D. McKenzie & D. Erikson), 1 paratype queen Mexico: Coahuila, 15 mi. NW Cd Acuña, Cueva de los Lagos, 27.i.1966 (J.H. Reddell). Paratype-depositories: LACM, MCZC.