Aviculariine characters. 305–307 cymbium process, dorsal 305 Ybyrapora gamba comb. n., holotype (MZUSP 31115), absent 306–307 well-developed process 306 Caribena versicolor comb. n. (MNHN–AR 4904), sharp and bearing thin setae 307 Avicularia juruensis (CAS 6), rounded and bearing thick setae 308–311 tibia I, retrolateral 308 Ybyrapora sooretama comb. n., holotype (MNRJ 18435), lacking modifications 309 Avicularia hirschii, paratype (SMF 57125), thicker setae on a discrete elevation 310 Caribena laeta comb. n. (AMNH PR), developed branch 311 Avicularia avicularia (MNHN–AR 4894), well-developed branch. Scale bars = 1 mm. Arrow indicates discrete elevation.