The authority of this species was specified in Lindsay et al. (2017) on page 504, last paragraph in left column. [details]
Aeginidae with 8-12 stomach pouches; with a peripheral canal system; with four to six primary tentacles; pouches ... [details]
Narcomedusae with manubrial pouches interradial, undivided or divided into two to four parts, bearing gonads; with ... [details]
Aeginidae with eight stomach pouches; without a peripheral canal system; with four primary tentacles; pouches begin ... [details]
Narcomedusae with interradial, divided stomach pouches; with a peripheral canal system; with primary perradial ... [details]
Solmundaeginidae with four primary tentacles; with eight rectangular stomach pouches; with four peronia extending ... [details]
Solmundaegina with conical umbrella, jelly thick at apex, bulging slightly orally; stomach large, circular; eight ... [details]
Narcomedusae with manubrial pouches interradial, undivided or divided into two to four parts, bearing gonads; ... [details]
Differences between Aegina and Aeginona: Aegina possesses a peripheral canal system while Aeginona not. [details]
Japan, Sagami Bay, 35.05067 139.34800, 997-1100 m [details]