Further Sources

Disparity, decimation and the Cambrian ‘explosion’: comparison of early Cambrian and Present faunal communities with emphasis on velvet worms (Onychophora)

This academic article by Julián Monge-Nájera and Xianguang Hou was published in Revista de Biologia Tropical in 2000.
New Zealand Onychophora

This section of the Landcare Research website includes a New Zealand velvet worm location guide, an identification guide, and an extensive bibliography.
Onychophora

This page covers the anatomy and taxonomy of Onychophora, with emphasis on New Zealand species.
Velvet worms

A page from the Australian Museum website with information about velvet worms. It includes an electron microscope photograph showing the bumps and hairs which give the worms their velvety appearance.

Barclay, S. D., and others. 'Pheromonally mediated colonization patterns in the velvet worm Euperipatoides rowelli (Onychophora).' Journal of Zoology 250 (2000): 437–446.
Bathurst, M. 'Velvet underground.' New Zealand Geographic 46 (2000): 58–75.
Gleeson, D. M. 'Onychophora of New Zealand; past, present and future.' New Zealand Entomologist 19 (1996): 51–55.
Trewick, S. A. 'Sympatric cryptic species in New Zealand Onychophora. Biological Journal of the Linnean Society 63 (1998): 307–329.
Trewick, S. A. 'Molecular diversity of Dunedin peripatus (Onychophora: Peripatopsidae).' New Zealand Journal of Zoology 26 (1999): 381–393.