Hydrozoa note details
Bythotiaridae without apical projection, marginal bulbs absent; two kinds of tentacles, long, hollow tentacles with scattered nematocysts and a small terminal knob, and short, solid ones without a terminal knob, basal portion of tentacles usually adnate to exumbrella; four unbranched radial canals very broad, without centripetal canal; without gastric peduncle, mouth simple, circular; gonads on manubrial wall, simple no transverse folds; no ocelli.
Du F, Wang L, Xu Zh, Huang J, Guo D. (2018). Taxonomic notes on Anthomedusae (Cnidaria: Hydrozoa: Hydroidomedusa) from the south-central South China Sea, with a new genus and four new species. <em>Acta Oceanologica Sinica.</em> 37(10): 112–118. Available for editors