is a species of the class Hydrozoa (Hydralike Animals) in the family Eirenidae and order Leptothecatae (Thecate Hydroids).
Eirene brevigona
Eirene ceylonensis
Eirene elliceana
Eirene gibbosa
Eirene hexanemalis
Eirene indicans
Eirene kambara
Eirene lactea
Eirene menoi
Eirene mollis
Eirene palkensis
Eirene pyramidalis
Eirene tenuis
Eirene viridula