Pugh, P. & Haddock, S. (2016)

A description of two new species of the genus Erenna (Siphonophora: Physonectae: Erennidae), with notes on recently collected specimens of other Erenna species

. Zootaxa, 4189 (3), 401–446.
https://doi.org/10.11646/zootaxa.4189.3.1