Two new jellyfishes (Cnidaria: Scyphozoa) from tropical Australian waters Author Gershwin, Lisa-Ann Author Zeidler, Wolfgang text Zootaxa 2008 1764 41 52 journal article 10.5281/zenodo.181987 881d2e23-0aa0-436c-9703-42b94facf098 1175-5326 181987 Key to the species of Netrostoma : 1a. Warts or papillae projecting from top or sides of central dome...................................................................2 1b. Warts or papillae lacking; central dome knob-like; with 7 rounded velar lappets and 2 pointed rhopaliar lappets per octant; lacking appendages between the mouths; colorless to whitish in life [Northern QLD, Australia ] ........................................................................................................................... Netrostoma nuda 2a. Top of dome covered with warts or papillae................................................................................................3 2b. Top of central dome smooth, with papillae projecting from sides in two whorls, the upper whorl with 8 large conical papillae, and the lower whorl with about 12 smaller papillae; 9 short lappets per octant; lacking mouth-arm filaments [ Fiji ] .............................................................................................. N. dumokuroa 3a. Central dome completely covered by about 50 or more warts or papillae ..................................................4 3b. Central dome with 10 wart-like projections; 6–8 rounded lappets per octant; with two types of appendages between the mouths: one thin and tubular, the other spindle-shaped [Malay Archipelago] N. coerulescens 4a. About 50 or more solid, pointed projections covering central dome; 6–8 flatly rounded velar lappets per octant; with numerous small, short appendages among the frilled mouths [ Japan ] ............ N. setouchiana 4b. About 80 rounded warts covering central dome; 8 rounded or cleft velar lappets per octant, ocular lappets sharp-pointed; filaments only on arm disk, small and spindle-shaped [Malay Archipelago] ...................... ......................................................................................................................................... N. typhlodendrium