Template:Chapter 3 in ISBN 978-1-87725793-3
- Gleeson, D.M. & Ruhberg, H. 2010. Phylum Onychophora: velvet worms, peripatus. Pp. 36–39 in: Gordon, D.P. (ed.) 2010. New Zealand inventory of biodiversity. Volume 2. Kingdom Animalia. Chaetognatha, Ecdysozoa, ichnofossils. Canterbury University Press, Christchurch, New Zealand. Reference page.