[1]
S. Siebert, P. R. Pugh, S. H. D. Haddock, and C. W. Dunn, “Re-evaluation of characters in Apolemiidae (Siphonophora), with description of two new species from Monterey Bay, California”, Zootaxa, vol. 3702, no. 3, pp. 201–232, Aug. 2013.