Figure 1
From: The phylogenetic position of ctenophores and the origin(s) of nervous systems
Ctenophore diversity. A, Pleurobrachia bachei (D Kent); B, Mnemiopsis leidyi (K Brandt); C, Beroe gracilis with Pleurobrachia pileus in the stomach (C Marneff); D, Thalassocalyce inconstans (L Madin); E, Coeloplana astericola (yellow-brown with thin, branched tentacles) on the red sea-star Echinaster luzonicus (D Fugitt). Reproduced with permission from D Kent, K Brandt, C Marneff, L Madin and D Fugitt.