General: 1). All “little red jellies” below 3,000 m should be annotated as Benthocodon 2). Both Benthocodon and Voragonema have a hole in the subumbrella. 3).The presence of centripetal canals would indicate Voragonema sp., but these are rarely seen on camera.
ReferencesEncyclopedia of Life
Tree of Life
World Register of Marine Species
National Center for Biotechnology Information
Citation: Rhopalonematidae (unknown) Deep-Sea Guide (DSG) at http://dsg/mbari.org/dsg/view/concept/Rhopalonematidae. Monterey Bay Aquarium Research Institute (MBARI). Consulted on 2018-07-18.