A Revision of the Spider Genus Zorocrates Simon (Araneae, Zorocratidae) PLATNICK, NORMAN I. UBICK, DARRELL American Museum Novitates 2007 2007-06-28 3579 1 44 5D89V PLATNICK & UBICK, 2007 PLATNICK & UBICK 2007 [218,415,1077,1101] Arachnida Zoropsidae Zorocrates Animalia Araneae 32 33 Arthropoda species potosi sp. nov.   TYPE: Female holotypetaken in the entrance sink of the Cuevade los Viet Congon the Xilitla Plateau, San Luis Potosı´, Mexico(  Apr. 1, 1980; T. Treacy), deposited in AMNH.  ETYMOLOGY: The specific name is a noun in apposition taken from the typelocality.  DIAGNOSIS: The lack of a cribellum separates this species from all others except  Z. xilitla, from which it can be distinguished by the smaller median apophysis of males ( fig. 84) and the anteriorly wider epigynum of females ( fig. 86).  MALE: Total length 11. Coloration as in  Z. fuscus. Leg spination: femora: I p0-0-2, r2-0-1; II p0-1-1, r0-2-1; III r1-1-1; IV p2-0-1, r0-0-1; patellae IV r0-1-0; tibiae: I d0-0-0, p0-1-0, v4- 4-2, r0-0-0; II d0-0-0, p0-1-0, v4-4-2, r0-1-0; III r1-0-1; metatarsi: I, II p0-0-0, v2-2-2, r0-0-0; III r1-2-2; IV v3-2-2. Cribellum absent, represented only by small, fleshy, setose colulus. Retrolateral tibial apophysis strong, recurved at tip; median apophysis greatly expanded at midlength by prolaterally directed, sharp projection; tegular apophysis distally bifid ( figs. 83–85). FEMALE: Total length 12. Coloration as in male. Leg spination: femora: I p0-0-2, r0-0-0; II p0-0-1, r0-0-0; III r1-1-1; IV d1-0-1, p2-0-1, r0-0-1; patellae IV r0-1-0; tibiae: I, II d0-0-0, p0-0-0, v4-4-2, r0-0-0; III r1-0-1; metatarsi: I, II p0-0-0, v2-2-2, r0-0-0; III r1-2-2; IV v3-2-2. Cribellum absent, represented only by small, fleshy, setose colulus. Epigynum with narrow, triangular posterolateral sclerotizations, lateral margins of midpiece excavated, accompanied laterally by unsclerotized patches; spermathecae with anteromedially directed lateral ducts ( figs. 86, 87). OTHER MATERIAL EXAMINED: One male and one femaletaken with the holotype(AMNH).  DISTRIBUTION: Known only from San Luis Potosı´, Mexico(map 4). 1980-04-01 T. Treacy Mexico San Luis Potosi' Cueva Viet Cong 32 33 1 holotype