Caulophacus (Caulophacus) discohexaster Tabachnick & Lévi, 2004, NIWA 126342, 126343, distribution, skeleton, and morphology A distribution in New Zealand waters B smaller specimen, NIWA 126342 in situ C smaller specimen atrial surface on-deck image D smaller specimen dermal surface and stalk connection (deck images by PJS) E larger specimen, NIWA 126343 in situ F section of the stalk of the smaller specimen G–I SEM images of surfaces of smaller specimen; dermal G atrial H and stalk I at same magnification. Images B and E captured by ROV Team GEOMAR, ROV Kiel 6000 onboard RV Sonne (voyage SO254), courtesy of Project PoribacNewZ, GEOMAR and ICBM.