Ancyronyx pulcherrimus A male from Gunung Mulu NP, body length 1.82 mm B brachypterous male from Gunung Mulu NP, dorsal view (left elytron and apical segments of abdomen removed), body length 1.92 mm C male from Bayur River, dorsal view, body length 1.70 mm D male [JK106] from Bayur River, dorsal view, body length 1.70 mm.

 
 
  Part of: Kodada J, Jäch MA, Freitag H, Čiamporová-Zaťovičová Z, Goffová K, Selnekovič D, Čiampor Jr F (2020) Ancyronyx lianlabangorum sp. nov., a new spider riffle beetle from Sarawak, and new distribution records for A. pulcherrimus Kodada, Jäch & Čiampor based on DNA barcodes (Coleoptera, Elmidae). ZooKeys 1003: 31-55. https://doi.org/10.3897/zookeys.1003.55541