Two new species of penicillate millipedes (Diplopoda, Polyxenidae) from Phu Quoc Island in southern Vietnam Author Huynh, Cuong text Zootaxa 2018 2018-03-28 4402 2 283 302 journal article 30402 10.11646/zootaxa.4402.2.3 7139708e-922d-41d4-ad42-a5d5f7076f1a 1175-5326 CEA5700E-9F94-42A8-9067-BD8F4D301B9D Key to species of the genus Monographis ( Monographis mira and M. annandalei had insufficient characters included in descriptions published by Turk (1947) and Silvestri (1948) unavailable for use in this key) 1 Antennal article VI with sensilla forming a crescent shape..................................................... 2 - Antennal article VI with sensilla forming a triangular shape.................................................... 5 2 Bacilliform sensilla more than 10 anteriorly, anterior margin of labrum with a row of acute triangular shaped setae................................................................................................... M. kraepelini - Bacilliform sensilla less than 10 anteriorly, anterior margin of labrum with a row of slender setae......................3 3 7 bacilliform sensilla present anteriorly...................................................... M. baihualingensis - 9 bacilliform sensilla present anteriorly....................................................................4 4 Anterior setiform process half of length of claw................................................. M. phuquocensis - Anterior setiform process longer than claw....................................................... M. demangei 5 With 3 internal bacilliform sensilla............................................................ M. yunnanensis - With 5 internal bacilliform sensilla....................................................................... 6 6. Telotarsus robust.......................................................................... M. tamoyoensis - Telotarsus slender..................................................................................... 7 7 Anterior setiform process longer than the claw............................................... .. M. queenslandica - Anterior setiform process equal the claw..................................................... .. M. dongnaiensis