Kingdom: Animilia
Phylum: Cnidaria
Class: Scyphozoa
Characteristics: Scyphozoans exhibit the main characteristics of cnidarians. They have radial symmetry and are diploblastic, meaning that their body wall consists of the outer epidermis (ectoderm) and the inner gastrodermis (endoderm), which are separated by mesoglea. They have nematocysts, which are characteristic of the phylum. They undergo alternation of generations, with the medusa form being dominant. Scyphomedusae are the "jellyfish" with which most people are familiar.
Is this a picture you took?
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