Licornus Roewer, 1932

Villarreal, Osvaldo & Kury, Adriano B., 2012, Licornus Roewer, 1932: newly transferred to Ampycinae and first record of the family Gonyleptidae (Opiliones: Laniatores) from Venezuela, Zootaxa 3544, pp. 71-78 : 72-73

Licornus Roewer, 1932

Licornus Roewer 1932: 321 ; Mello-Leitão 1935: 96; Soares & Soares 1948: 605; Roewer 1959: 74; Kury 2003:94 (type species Licornus perfectus Roewer, 1932 , by monotypy).

Diagnosis (genital morphology known only for L. tama sp. nov.). Mesotergum divided into 4 well-marked areas, area I divided into left and right halves by longitudinal straight groove. Mesotergum granular with inconspicuous paired armature in areas I and II, a pair of small acuminate tubercles in area III. Free tergite II entirely unarmed. Free tergite III with single spiniform apophysis, immense in male, much smaller in female. Prolateral-apical region of coxa IV of male with very large oblique spiniform apophysis, much reduced in female. Retrolateral-distal region of male trochanter IV with stout hooked apophysis. Ventral plate of penis much elongate trapezoid with small Vshaped cleft. Stylus surpassing ventral plate in situ because situated atop long glans complex. Dorsal process of glans penis present. Stylus C-shaped. Setae of ventral plate located in two continuous longitudinal lines on the lateral margins of the plate.

Species included: Licornus atroluteus Roewer, 1959 ( Fig 20) — Ecuador, Pichincha; Licornus perfectus Roewer, 1932 ( Fig 21) — Ecuador, Chimborazo, Licornus tama sp. nov. — Venezuela, Táchira.

Remarks. The genus Licornus , originally located in Cranaidae , is here transferred to Gonyleptidae : Ampycinae, new familial assignment (see discussion).