The Ctenophora is a small, but morphologically diverse lineage of animals. The graphic below is an introduction to these animals.
A short list of further reading to accompany the graphic:
Jékely G, et al. The phylogenetic position of ctenophores and the origin(s) of nervous systems. EvoDevo 2015;6 (1):1-9.
Moroz LL, et al. The ctenophore genome and the evolutionary origins of neural systems. Nature 2014;510:109–14.
Ou Q, et al. A vanished history of skeletonization in Cambrian comb jellies. Science Advances 2015;1(6): e1500092.
Presnell JS, et al. The Presence of a functionally tripartite through gut in Ctenophora has implications for metazoan character trait evolution. Current Biology 2016;26(20):2814-2820
Ryan et al. The genome of the ctenophore Mnemiopsis leidyi and its implications for cell type evolution. Science. 2013;13;342(6164):1242592.