In synonymy:
B. ruhnaui (Schmidt, 1997) = B. albiceps Pocock, 1903 (Locht et al., 2005: 108).
mf albiceps Pocock, 1903....................Mexico [urn:lsid:amnh.org:spidersp:001696]
Eurypelma pallidum F. O. P.-Cambridge, 1897a: 21, pl. 1, f. 17 (f, misidentified).
B. a. Pocock, 1903b: 103 (Df).
Aphonopelma a. Smith, 1995: 70, f. 76-82 (removed f from S of A. pallidum).
Brachypelmides ruhnaui Schmidt, 1997d: 205, f. 1-4 (Dmf).
Brachypelmides ruhnaui Schmidt, 1997g, 1998h: 19, f. 199-201 (mf).
Brachypelmides ruhnaui Locht, Yáñez & Vázquez, 1999: 196, f. 3 (m).
Aphonopelma a. Peters, 2000a: 23, f. 43 (f).
Brachypelmides ruhnaui Peters, 2000a: 76, f. 250-252 (mf).
Aphonopelma a. Peters, 2003: 32, f. 107 (f).
Brachypelmides ruhnaui Peters, 2003: 133, f. 542, 545-547 (mf).
Brachypelmides a. Schmidt, 2004f: 4, f. 1 (T to synonymized generic name).
B. a. Locht et al., 2005: 108 (Tf from Aphonopelma, Sm).