original description
Lindsay, D. J.; Grossmann, M. M.; Bentlage, B.; Collins, A. G.; Minemizu, R.; Hopcroft, R. R.; Miyake, H.; Hidaka-Umetsu, M.; Nishikawa, J. (2017). The perils of online biogeographic databases: a case study with the ‘monospecific' genus Aegina (Cnidaria, Hydrozoa, Narcomedusae). <em>Marine Biology Research.</em> 13(5): 494-512., available online at https://doi.org/10.1080/17451000.2016.1268261
page(s): 502 [details]
context source (Deepsea)
Lindsay, D. J.; Grossmann, M. M.; Bentlage, B.; Collins, A. G.; Minemizu, R.; Hopcroft, R. R.; Miyake, H.; Hidaka-Umetsu, M.; Nishikawa, J. (2017). The perils of online biogeographic databases: a case study with the ‘monospecific' genus Aegina (Cnidaria, Hydrozoa, Narcomedusae). <em>Marine Biology Research.</em> 13(5): 494-512., available online at https://doi.org/10.1080/17451000.2016.1268261 [details]
From editor or global species database
Diagnosis Aeginidae with eight stomach pouches; without a peripheral canal system; with four primary tentacles; pouches begin at points of origin of primary tentacles; tentacle roots large, recurved orally, penetrating deep into central mesoglea; deep peronial grooves lined with nematocysts extending from margin to above points of origin of primary tentacles; without secondary tentacles on umbrella margin? without otoporpae? [details]
Taxonomy Differences between Aegina and Aeginona: Aegina possesses a peripheral canal system while Aeginona not. [details]
From editor or global species database