Front cover a NIWA Biodiversity Memoir: Reiswig, Henry Michael; Kelly, Michelle 2018. The Marine Fauna of New Zealand. Euplectellid glass sponges (Hexactinellida, Lyssacinosida, Euplectellidae). Wellington, New Zealand: National Institute of Water and Atmospheric Research (NIWA). (NIWA Biodiversity Memoir; 130)