Agalma okenii is a species of siphonophore in the family Agalmatidae. It was first described by Johann Friedrich von Eschscholtz , who collected it on his second voyage. It was described again by James Dwight Dana in 1859, who named it Crystallomia polygonata.
References
External links iNaturalist observations of Agalma okenii Illustration of Agalma okeni by James Dwight Dana