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Registration of organisms
Question number: 14 Posted: 24 Nov 2004 14:23
Topic: Fish biology Creator: Kent Ole Olsen
Status: Answered Scientist: Tone Falkenhaug
Written by: Kent Ole Olsen 24 Nov 2004 14:23

What groups does ctenophores, apendicularians and medusaes belong to?

Written by: Tone Falkenhaug 25 Nov 2004 10:22

These animals belong to three different groups:
1. Medusaes belong to the phylum Cnidarians, which includes jellyfishes, sea anemones and corals. Unique to and characteristic of all cnidarians are the stinging cells used for capturing prey.
2. Ctenophora constitute a small phylum that are commonly known as comb jellies. They are so delicate that they are difficult to collect with plankton nets, and the group is still poorly known.
3. Apendicularians, or larvaceans, have a nerve cord, and thus belong to the same phylum as us: "Chordata". Apendicularians are pelagic tunicates and looks like tadpole larvae.

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