Type Material

            Holotype: “Male holotype, “attracted to black light”, Mesa, Grand Flat, nr. Hall’s Crossing, San Juan Co., Utah on June 4, 1978 by J. T. and D. A. Polhemus, deposited in AMNH” (Muma & Brookhart, 1988, p. 18).

            Measurements: “Holotype has CP 11.75 long. Legs long; A/CP 6.68” (Muma & Brookhart, 1988, p. 18).

            Chelicerae Description: “lack of a conical process on low, indistinct, ridge-like anterior tooth of movable cheliceral finger; and laterally obscure ventral notch of movable cheliceral finger. Dorsal process of fixed cheliceral finger peaked over distal half of fondal notch…Fondal notch longer than wide by a ratio of 1.40. There is an elevated but small mesal tooth; series typical low ridge-like anterior tooth lacks anterior conical process and ventral notch of movable cheliceral finger is obscure when viewed laterally but distinct when finger is rotated ventrally (fig. 52)” (Muma & Brookhart, 1988, p. 18).

Diagnosis: 

Other Information: “Species has no known close relatives within group and series. It is a moderately large species but lack conical process on low, ridge-like anterior tooth of male movable cheliceral finger that is present on all other species of this series” (Muma & Brookhart, 1988, p. 18-19).