Template:Chapter 2 in ISBN 978-1-87725793-3
- Horning, D.S., Palma, R.L. & Miller, W.R. 2010. Phylum Tardigrada: water bears. Pp. 27–35 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.