Two new species of Pectenoniscus from two caves in karst areas of the Brazilian semiarid region are described. Pectenoniscuspankaru Campos-Filho, Torres & Bichuette, sp. nov. from Gruna do Govi cave, Serra do Ramalho karst area, state of Bahia, and Pectenoniscusfervens Campos-Filho, Taiti & Bichuette, sp. nov. from Toca Coroa do Frade cave, Barra Bonita karst area, state of Piauí. In addition, specimens of Cylindroniscusflaviae from Gruta da Tapagem (= Caverna do Diabo), Açungui karst area were also recorded. An updated diagnosis of Pectenoniscus and a distribution map of the species examined herein are given.
Keywords: Açungui geomorphological group; Bambuí geomorphological group; Casa Nova geomorphological group; Cylindroniscus; Neotropical; Pectenoniscus.
Ivanklin Soares Campos-Filho, Jéssica S. Gallo, Jonas E. Gallão, Dayana F. Torres, Yesenia M. Carpio-Díaz, Carlos Mario López-Orozco, Ricardo Borja-Arrieta, Stefano Taiti, Maria Elina Bichuette.