Initially created for the genus Dendrogramma, at that time assigned to Metazoa incertae sedis, possibly related to Ctenophora and/or Cnidaria; Dendrogramma subsequently assigned to Siphonophores (family Rhodaliidae) by O'Hara et al., 2016.
O'Hara, T. D.; Hugall, A. F.; MacIntosh, H.; Naughton, K. M.; Williams, A.; Moussalli, A. (2016). Dendrogramma is a siphonophore. <em>Current Biology.</em> 26(11): R457-R458.