Rossellid glass sponges (Porifera, Hexactinellida) from New Zealand waters, with description of one new genus and six new species Author Reiswig, Henry M. Biology Department, University of Victoria, Victoria, British Columbia, Canada Author Dohrmann, Martin Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Muenchen, Germany m.dohrmann@lrz.uni-muenchen.de Author Kelly, Michelle Coasts and Oceans National Centre, National Institute of Water and Atmospheric Research, Auckland, New Zealand Author Mills, Sadie NIWA Invertebrate Collection, National Institute of Water and Atmospheric Research, Wellington, New Zealand Author Schupp, Peter J. ICBM Terramare, University of Oldenburg, Wilhelmshaven, Germany & Helmholtz Institute for Functional Marine Biodiversity at the University of Oldenburg (HIFMB), Oldenburg, Germany Author Woerheide, Gert https://orcid.org/0000-0002-6380-7421 Department of Earth and Environmental Sciences, Palaeontology and Geobiology, Ludwig-Maximilians-Universitaet Muenchen, Muenchen, Germany & SNSB - Bayerische Staatssammlung fuer Palaeontologie und Geologie, Muenchen, Germany & GeoBio-Center, Ludwig-Maximilians-Universitaet, Muenchen, Germany text ZooKeys 2021 2021-09-17 1060 33 84 http://dx.doi.org/10.3897/zookeys.1060.63307 journal article http://dx.doi.org/10.3897/zookeys.1060.63307 1313-2970-1060-33 9CF1AD759AD34890A7B359BEDA505C0D 60F647D3A76F5244AB88271A5808D0BF Caulophacus Schulze, 1886 Diagnosis. Body is fungus-like or cup-like, basiphytose with long stalk. Choanosomal spicules are diactins and hexactins. Dermalia are pinular hexactins and/or pentactins. Atrialia are pinular hexactins and/or pentactins. Hypodermalia and hypoatrialia are pentactins. Microscleres are spicules of hexactinous or hexasterous forms with discoidal, onychoidal, and oxyoidal termination (emended from Janussen et al. 2004 ). Type species. Caulophacus (Caulophacus) elegans Schulze, 1886.