Phylum - Cnidaria
Common name: Corals, Jellies, Sea Anemones, Hydroids
Name derivation: "nettle"
Subphylum: Anthozoa
- Class: Hexacorallia
- Class: Octocorallia
Subphylum: Endocnidozoa
- Class: Myxozoa
- Class: Polypodiozoa
Subphylum: Medusozoa
- Class: Cubozoa
- Class: Hydrozoa
- Class: Scyphozoa
- Class: Staurozoa
Order Count: 26
Family Count: 512
Genus Count: 2,766
Species Count: 19,634
Earliest Fossil Record: Middle Ediacaran 580 mya
Habitat: Marine, Freshwater
Size Range: 0.5 mm to 50 m
Notes: Taxonomy based on World Register of Marine Species (WoRMS), numbers from Catalogue of Life as of March 2025
< Porifera Ctenophora >