Revision of Thaumatocranaus Roewer, 1932, with description of two new species (Opiliones: Laniatores: Gonyleptoidea) Author Hara, Marcos R. Author Bragagnolo, Cibele Author Pinto-Da-Rocha, Ricardo text Zootaxa 2017 4254 4 457 472 journal article 33201 10.11646/zootaxa.4254.4.3 d25360d8-7a6b-4441-8ce3-4fd2b89121f1 1175-5326 556045 29A83502-70C0-4A8F-82D5-CD692FC3219E Key to males of Thaumatocranaus species 1. Lateral margin of dorsal scutum with external row of tubercles increasing in size posteriorly, becoming slightly large and blunt ( Fig. 1 A); median robust apophysis on free tergite III bifid ( Fig. 1 A); metatarsus I distal half inflated ( Fig. 2 A); trochanter IV with a prodorsal, acuminated, enlarged subapical tubercle pointing dorsally ( Fig. 2 C).............. T. mirabilis (Ecuador) - Lateral margin of dorsal scutum with external row of tubercles increasing in size posteriorly, becoming large, conical and slightly acuminated ( Figs 3 A, 5A); median robust apophysis on free tergite III single (unbranched) ( Figs 3 A, 5A); metatarsus I distal half not inflated; trochanter IV with prodorsal, blunt, enlarged subapical tubercle ( Figs 4 A, 6C)..................2 2. Femur III with a retroventral subapical conical, acuminated, enlarged apophysis ( Fig. 6 A); femur IV retrodorsal apical spine strongly curved retrolaterally ( Fig. 6 D, E)....................................... T. splendidus sp. nov. (Colombia) - Femur III ventral face unarmed (without apophyses or large tubercles); femur IV retrodorsal apical spine curved posteriorly and slightly retrolaterally ( Fig. 4 B, C).......................................... T. magnificus sp. nov. (Colombia)