1. Hydras; polyps; jellyfishes; sea anemones; corals
   - phylum Cnidaria, Coelenterata, phylum Coelenterata

Type of: phylum

Part of: Metazoa, subkingdom Metazoa

Encyclopedia: Cnidaria

• genus Hydromys
• genus Hydrophyllum
• genus Hyemoschus
• genus Hygrocybe
• genus Hygrophorus
• genus Hygrotrama
• genus Hyla
• genus Hylactophryne
• genus Hylobates
• genus Hylocereus
• genus Hylocichla
• genus Hylophylax
• genus Hymenaea
• genus Hymenanthera
• genus Hymenophyllum
• genus Hynerpeton
• genus Hyoscyamus
• genus Hypentelium
• genus Hypericum
• genus Hyperoglyphe
• genus Hyperoodon
• genus Hyphantria
• genus Hypochaeris
• genus Hypochoeris
• genus Hypoderma