- ↑ 1.0 1.1
"Peripatoides indigo". IUCN Red List of Threatened Species. Version 2012.2. International Union for Conservation of Nature. 1996. Ginkuhà 24 Oktubre 2012.
- ↑ (2006) , website, 2004 IUCN Red List of Threatened Species, 27 Pebrero 2006
- ↑ Ruhberg, Hilke (1985) Die Peripatopsidae (Onchophora) Systematik, Ökologie, Chorologie und phylogenetische Aspekte, Zoologica, vol. 46, no. 137
- ↑ 4.0 4.1 Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (ed.) (2011). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Ginkuhà 24 Septyembre 2012.CS1 maint: multiple names: authors list (link) CS1 maint: extra text: authors list (link)
- ↑ ITIS: The Integrated Taxonomic Information System. Orrell T. (custodian), 26 Abril 2011