
BATHOCYROE fosteri © CC-BY Marsh Youngbluth
Note: They might move in the tree
see: Ryan, J. F.; Pang, K.; Schnitzler, C. E.; Nguyen, A.-D.; Moreland, R. T.; Simmons, D. K.; Koch, B. J.; Francis, W. R.; Havlak, P.; Smith, S. A.; Putnam, N. H.; Haddock, S. H. D.; Dunn, C. W.; Wolfsberg, T. G.; Mullikin, J. C.; Martindale, M. Q.; Baxevanis, A. D. (13 December 2013). "The Genome of the Ctenophore Mnemiopsis leidyi and its Implications for Cell Type Evolution". Science 342 (6164, number 6164): 1242592. doi:10.1126/science.1242592. PMC 3920664. PMID 24337300.
*only for taxonomic features