Hydromedusae, Siphonophora, Cnidarians, Ctenophores
Posted on June 1, 2011 Comments (5)
Jellyfish is a common name for gelatinous water dwelling animals. The diversity of these invertebrates is amazing. And what actually counts as a jellyfish is not easy to determine. Watch this great video to learn about Cnidarians, Urochordata, Polychaetes and Ctenophores.