Geomys knoxjonesi Baker and Genoways 1975

Geomys knoxjonesi Baker and Genoways 1975, Occas. Pap. Mus . Texas Tech Univ., 29: 1.

Type Locality: USA, Texas, Winkler Co., 4.1 mi. (6.6 km) N and 5.1 mi. (8.2 km) E Kermit.

Vernacular Names: Knox Jones's Pocket Gopher.

Distribution: W Texas and SE New Mexico (USA).

Discussion: Considered a subspecies of bursarius by Hall (1981) and Patton (1993) but a distinct species by Bradley et al. (1991) and Block and Zimmerman (1991). Baker and David (1989) described a hybrid zone with partial reproductive isolation between knoxjonesi and bursarius major . Phylogenetic position within Geomys established by Jolley et al. (2000).