Bougainvilliidae Lütken, 1850

Wang, Xuefeng, Lin, Kun, Xu, Zhenzu, Guo, Donghui & Huang, Jiaqi, 2019, Some new Hydroidomedusa (Cnidaria) from the northern South China Sea, Zoological Systematics 44 (3), pp. 191-205 : 192

Family Bougainvilliidae Lütken, 1850

Bougainvilliidae Bouillon et al., 2006: 126–127 ; Schuchert, 2007: 196–197; Xu et al., 2014: 200–201; Guo et al., 2018: 99.

Synonyms see Calder, 1988: 12.

Diagnosis. The family is diagnosed by: medusa bell-shaped; mouth circular, with simple or dichotomously branched oral tentacles inserted distinctly above mouth rim, ending in cnidocyst clusters; four radial canals and circular canal; marginal tentacles solid, either solitary or in clusters, borne on 4, 8 or 16 tentacular bulbs; gonads on manubrium, either forming a continuous ring or in adradial, interradial or perradial position; adaxial ocelli absent or present.

Remarks. The taxonomic systems of this family see Bouillon et al. (2006), Schuchert (2007), Xu et al. (2014) and Guo et al. (2018).

The family Bougainvilliidae medusa included 9 genera: Bougainvillia Lesson, 1830 , Chiarella Maas, 1897 , Koellikerina Kramp, 1939 , Lizzella Haeckel, 1879 , Nemopsis L Agassiz, 1849 , Nubiella Bouillon, 1980 , Paranubiella Xu, Huang & Lin, 2018 , Silhouetta Millard & Bouillon, 1973 , Thamnostoma Haeckel, 1879 ( Bouillon et al., 2006; Guo et al., 2018).