Cnidaria Versus Ctenophora Comb Jellies – YouTube Plankton- Ctenophores - YouTube Cnidaria Versus Ctenophora

Phylum: Ctenophora “comb jellies” use sticky cells or “colloblasts” to catch their prey 8 rows of stiffened ciliary combs that function as paddles Glide smoothly through the water, unlike the jerky movements of a jellyfish Ciliary Combs Tentacle Mouth beroe feeding, aliens of the deep - YouTube

there are a little over 100 species discovered so far Biradially symmetrical all are hermaphrodites Many are bioluminescent! Comb Jellyfish - YouTube

Two planes, both including the axis of symmetry and at right angles to each other, are the planes of symmetry (Fig 2). One, the tentacular plane, passes through the two tentacle sheaths on opposite sides of the body. Another, the pharyngeal plane, passes through and includes the plane of the flattened pharynx. These two planes, and no other, divide the jelly into equal, mirror image halves.