Pocock, 1892 : 142 Polyxenus Attems, 1914a : 135 Silvestrus Nguyen Duy-Jacquemin & Geoffroy, 2003 : 101 Annotated checklist of millipedes (Myriapoda: Diplopoda) of Sri Lanka De Zoysa, H. K. S. Nguyen, Anh D. Wickramasinghe, S. Zootaxa 2016 4061 5 451 482 6YPYY Pocock, 1892 Pocock 1892 [151,572,1394,1419] Diplopoda Polyxenidae Silvestrus Animalia Polyxenida 2 453 Arthropoda species ceylonicus     Polyxenus ceylonicus  Pocock, 1892: 142, (OD).    Polyxenusceylonensis—  Attems, 1914a: 135, (R).    Silvestrusceylonicus—  Nguyen Duy-Jacquemin & Geoffroy, 2003: 101, (R).  Records from Sri Lanka.Pundaluoya ( Pocock, 1892)   Distribution.Only known from Sri Lanka.   Remarks. Attems (1914a)noted that the species should be assigned to the genus  Monographis.