Fontoura, P., Pilato, G. and Lisi, O. (2008) “New records of eutardigrades (Tardigrada) from Faial and Pico Islands, the Azores, with the description of two new species”, Zootaxa. Auckland, New Zealand, 1778(1), pp. 37–47. doi: 10.11646/zootaxa.1778.1.3.