Holotype: "Male holotype and several juveniles from Twentynine Palms, California, July 1 to 15, 1945 (Jefferson H. Branch), in the American Museum of Natural History. Male paratype and several young females from Pinaleno Mountains, Arizona, July 15, 1917, in the museum at Cornell University. Male paratype from Coachella, California, May 13, 1917 (E.P. Van Duzee), in the California Academy of Sciences" (Muma, 1951, p. 112).

Chelicerae Description: "Dentition as in figure 231. Movable finger with principal and anterior teeth large and about equal in size, two nearly equal-sized intermediate teeth and no mesal tooth. Fized finger typical of group, flattened, with three modified teeth and abruptly narrowed just behind apex on the ventral margin. Fondal teeth occurring in two rows of four each which are graded in size I, III, II, IV. Fondal notch obscure" (Muma, 1951, p. 112).

Chelicerae Setae Description: "Flagellum complex typical of group, with dorsal striate bristles strongly broadened distally and moderately arched except for apical bristle which is weakly clavate, lightly curved, and hooked downward at the tip. Plumose bristles strong and curved ventrally except for apical bristle which is like the apical striate bristle. Mesal setae of movable finger plumose on basal half of finger and simple distally" (Muma, 1951, p. 112).

Ctenidia Description: "First post-spiracular abdominal sternite provided with two strong tubular ctenidia which extend beyond the posterior edge of the succeeding sternite" (Muma, 1951, p. 112).

Eremochelis branchi – male holotype, female allotype

AMNH

Det. Martin H. Muma, 1950; originally identified as Therobates branchi

29 Palms California, July – Aug 1945, coll. J. H. Branch

(All measurements in sp description except papillae segments)

Measurements:

Notes:

@ 49 papillae on pedipalp