Some of the stygobiotic and troglobitic species in Areias cave system, São Paulo, Brazil. Pimelodella kronei (A), Pachylospeleus strinatii (B), Pseudochthonius strinatii (C), Ideoroncus cavicola (D), Pselaphidae sp. n. (E), Spelaeobochica muchmorei (F), Hahniidae sp. n. (G) Cryptodesmus spn (H), Schizogenius ocelatus (I), Cryptops iporangensis (J), Potamolithus troglobius (K), Crypturodesmus spn (L), Leodesmus yporangae (M), Hyallela epikarstica (N), Aegla cavernicola (O), Peridontodesmella sp. (P).