Aeginidae

Raskoff, Kevin A., 2010, Bathykorus bouilloni: a new genus and species of deep-sea jellyfish from the Arctic Ocean (Hydrozoa, Narcomedusae, Aeginidae), Zootaxa 2361, pp. 57-67 : 64

Key to Family Aeginidae

1. 2 tentacles ................................................................................................................................................... Solmundella

- 4 or more tentacles....................................................................................................................................................... 2

2. with secondary tentacles ............................................................................................................................................... 3

- without secondary tentacles.......................................................................................................................................... 4

3. 4 (or 5) primary tentacles, manubrial pouches 3x tentacle number .............................................................. Bathykorus

- 8 (or more) primary tentacles, manubrial pouches 2x tentacle number ........................................................... Aeginura

4. 4–6 tentacles ................................................................................................................................................................. 5

- 8 or more tentacles........................................................................................................................................................ 6

5. 4 tentacles, 8 peronia and manubrial pouches 4x tentacle number ............................................................... Aeginopsis

- 4 to 6 tentacles, 4–6 peronia and manubrial pouches 2x tentacle number ........................................................... Aegina

6. 8 tentacles, 8 manubrial pouches (7–9), with peripheral canal; with otoporpae ............................................ Otoporpa

- 30+ tentacles, equal number undivided manubrial pouches, without otoporpae ......................................... Jubanyella