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Egg-laying velvet-worm Ooperipatellus species. This velvet-worm was found under a log in a damp woodland gulley, during our Bush Blitz on Flinders Island in March 2014. It is almost certainly an undescribed species, and may prove to be confined to Flinders Island. Velvet-worms are in a phylum of their own and have very ancient origins that pre-date the rise of the arthropods. Tasmania is a hot-spot for them, and may eventually be shown to host hundreds of species, although they mostly look very similar from the outside.

The biggest specie described in the World , published in 2010.
Paper: http://www.scielo.sa.cr/pdf/rbt/v58n4/a06v58n4.pdf
This observation was made with Brian Kubicki, Federico Granados, Cristian Herrera and Allan Solano.