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Type Material
Holotype: “Male holotype, collected by Opler & Buckman, Valley Falls, Lake County, Oregon, USA, 26 May 1999 (deposited in DMNH)” (Brookhart and Cushing, 2002, p. 95).
Measurements: Male holotype: Total, 14 mm length. Chelicera, 3.3 mm length; 1.3 mm width. Propeltidium, 1.8 mm length; 2.3 mm width. Palpus, 14 mm length. Leg I, 7 mm length. Leg IV, 16 mm length. A/CP=7.3; CL/CW=2.5; FL/FW=0.7; WFF/FW=1.0; CW/WFF=4.2.
Chelicerae Description: “Fixed finger straight most of the length, curved down slightly at the tip. Ventral edge minutely undulate ending in a shallow trough apically. Mesoventral groove shallow, extending about one half the length of FF on the central edge. Movable finger with a single large PT and a small depression anteriorly. No AT or IT. Apical one third with shallow trough on dorsal edge. MST absent. Fondle notch a semicircle rising into the ventral edge of the FF. Fondal teeth graded I, II, III, IV ectally and mesally (Figs. 41 & 42)” (Brookhart and Cushing, 2002, p. 95).
Chelicerae Setae Description: “Flagellum complex typical of branchi group with dorsal bristles tubular, medial bristle flatted plumose, ventral series thin, plumose” (Brookhart and Cushing, 2002, p. 95).
Palpal Description: “Palpus (Fig. 40) and Leg I dusky purple on femur, tibia, metatarsus, and tarsus. . . . No papillae on palpal scopae” (Brookhart and Cushing, 2002, p. 95).
Ctenidia Description: “Two short, thin ctenidia found on posterior margin of the 4th abdominal segment (Fig. 43)” (Brookhart and Cushing, 2002, p. 95).
Diagnosis: “Eremochelis oregonensis is placed in the Eremochelis branchi group (Muma 1951) based on the form of flagella complex which has a flattened apical striate setae and a slightly undulate FF. It keys to couplet three Muma (1987). Females unknown” (Brookhart and Cushing, 2002, p. 95).
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