First found in Britain in Cambridgeshire in 2012 (a specimen had been found in the Netherlands 3 months earlier), this was described new to science by Hugh Jones in 2016. It is assumed to originate in New Zealand or Australia; the only other member of the genus is known from Campbell Island, off New Zealand. It has so far been found in half a dozen locations in Britain, ranging from Cornwall to Sunderland.
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![](https://psl.brc.ac.uk/sites/default/files/upload/Land%20planarian%2C%20Marionfyfea%20adventor%2C%20under%20dead%20log%20of%20crack%20x%20white%20willow%2C%20Shepreth%20L-moor%20nature%20reserve%2C%20%20Cambridgeshire%20%20%20DSC_9188%20crop.jpg)