Tayshaneta madla Ledford, Paquin, Cokendolpher, Campbell & Griswold 2012

Male (holotype). Body length 1.21, carapace 0.58 long, 0.45 wide, length 1.28× width. Carapace pale brown, slightly darker surrounding edges, sparsely setose. Eyes large, ocular area enclosed in a dark pattern (Figs 21A–C). Legs short and thin, femur I 1.3× carapace length, covered in fine setae and with few scattered spines.Palpal tarsus tapering to weakly divided apically (TS, Fig. 31F); retrolateral tibial spine elongate, sculptured throughout, length 0.58× tarsus length (RTS, Fig. 32F). Bulb suboval, length 1.84× width; embolus oval, with large basal tooth (E, Fig. 42F), length 1.32× width. Abdomen yellow-white, without pattern, 0.63 long, 0.45 wide, covered in fine setae. Variation (n = 5). Total length 1.14–1.45; carapace length 1.16–1.29 × carapace width; length femur I 1.3–1.71 × carapace width. Female (Madla’s Cave).Body length 1.83, carapace 0.74 long, 0.58 wide, length 1.28× width. Pigmentation and setation same as for male. Legs short and thin, femur I 1.5× carapace length, covered in fine setae and with few scattered spines.Atrium trapezoidal, length 0.56× width, spermathecae with twisted stalks and large, circular heads (Fig. 53D). Abdomen yellow-white, without pattern, 1.09 long, 0.78 wide, covered in fine setae. Variation (n = 3). Total length 1.45–1.83; carapace length 1.21–1.34 × carapace width; length femur I 1.14–1.51 × carapace width.

Known only from Madla’s Cave in Bexar County, Texas (Fig. 59).