Sychra, O. and Palma, R. L. (2008) “The identity of Neopsittaconirmus palaeornis (Eichler) (Phthiraptera: Philopteridae) from Psittacula derbiana (Psittaciformes: Psittacidae), with a new synonymy”, Zootaxa. Auckland, New Zealand, 1827(1), pp. 62–64. doi: 10.11646/zootaxa.1827.1.4.