Scyphozoa
Corals are classified as animals in the phylum cnidaria. They are related to jellyfish and sea anemone.
Jellyfish belong to the phylum Cnidaria, which includes other organisms like corals and sea anemones. Within the phylum Cnidaria, jellyfish are classified into the class Scyphozoa, which includes true jellyfish, and the class Hydrozoa, which includes hydroids and smaller jellyfish species.
sea anemone belongs to phylum echinodermata.
Flatworms don't belong to cnidarians .They belong to Platyhelminthis . All others are cnidarians .
Hydra belongs to the phylum Cnidaria and the class Hydrozoa.
anthozoa
http://www.wonder-okinawa.jp/006/english/hyakka/doubutu/sangorui/index.html Use that link to figure out which type of coral you need! If you just want the general name, though, use Cnidarians
Corals are classified as members of the phylum Cnidaria, which includes other animals such as jellyfish and sea anemones. Within the phylum Cnidaria, corals belong to the class Anthozoa. They are further divided into two subclasses: Hexacorallia (includes stony corals) and Octocorallia (includes soft corals).
Brain coral belongs to the phylum Cnidaria.
Coral belongs to the group of animals known as cnidarians, which also includes jellyfish and sea anemones. They are characterized by their stinging tentacles and polyp-shaped bodies that form into colonies to create coral reefs.
Cnidaria
Corals belong to the Phylum Cnidaria. Other animals that belong to the Phylum Cnidaria include jellyfish, hydrae, and sea anemones. Cnidaria are invertebrates (they do not have a backbone) and all have specialized cells called nematocysts that help them capture prey and defend themselves. Cnidaria exhibit radial symmetry.