Campos-Filho, Ivanklin SoaresGallo, Jéssica S.Gallão, Jonas E.Torres, Dayana F.Carpio-Díaz, Yesenia M.López-Orozco, Carlos MarioBorja-Arrieta, RicardoTaiti, StefanoBichuette, Maria Elina2023-09-012023-09-012022-05-18https://doi.org/10.3897/zookeys.1101.79043https://bdc.icmbio.gov.br/handle/cecav/1789Two new species of Pectenoniscus from two caves in karst areas of the Brazilian semiarid region are described. Pectenoniscus pankaru Campos-Filho, Torres & Bichuette, sp. nov. from Gruna do Govi cave, Serra do Ramalho karst area, state of Bahia, and Pectenoniscus fervens Campos-Filho, Taiti & Bichuette, sp. nov. from Toca Coroa do Frade cave, Barra Bonita karst area, state of Piauí. In addition, specimens of Cylindroniscus flaviae 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.pt-BRAçungui geomorphological groupBambuí geomorphological groupCasa Nova geomorphological groupCylindroniscusNeotropicalPectenoniscusExpanding the knowledge on the diversity of the cavernicolous Styloniscidae Vandel, 1952 (Oniscidea, Synocheta) from Brazil, with descriptions of two new species from the semiarid karst regionsArtigo