Anthozoa - Detailed illustrated discussion of the characteristics and phylogenetic relationships of this class, which includes true corals, sea anemones, and sea pens. Urticina piscivora - Image of this fish-eating sea anemone, formerly assigned to genus Tealia. Sea Anemones - Photographs and information on species found round the coasts of Britain. Heteractis magnifica - Project by Elizabeth Guck on the Magnificent or Ritteri Anemone, its habitat, adaptation, nutrition, reproduction and interactions with other species. Coral and Coral Reefs - Informational booklet providing comprehensive information on corals. Siderastrea radians - Taxonomy, description and photograph of the lesser starlet coral, its habitat and distribution, life history and community ecology. Phyllangia americana - Taxonomy, description and photograph of the hidden cup coral, its habitat and distribution, life history and community ecology. Oculina varicosa - Taxonomy, description and photograph of the ivory tree coral, its habitat and distribution, life history, community ecology and special status. Oculina diffussa - Taxonomy, description and photograph of the ivory bush coral, its habitat and distribution, life history, community ecology and special status. Leptogorgia virgulata - Taxonomy, description and photograph of sea whip, its habitat and distribution, life history and community ecology. Leptogorgia hebes - Taxonomy, description and photograph of the false or regal sea fan, its habitat and distribution, life history and community ecology. Haliplanella lineata - Taxonomy, photograph and description of the striped sea anemone, its habitat and distribution, life history, physical tolerances, community ecology and invasion information. Tall Sea Pen: Funiculina quadrangularis - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Sunset Cup Coral: Leptopsammia pruvoti - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Closed Brain Coral: Leptoria phrygia - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Organ Pipe Corals: Tubipora spp. - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Staghorn Corals: Acropora spp. - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Cauliflower Corals: Pocillopora spp. - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Galapagos Coral: Polycyathus isabela - Information from ARKive on this rare species endemic to the Galapagos Islands.. Brain Coral: Platygyra daedalea - Images and information from ARKive on this distinctive species. Flowerpot Corals: Goniopora spp. - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Red Coral: Corallium rubrum - Information from ARKive on this species found in the Mediterranean Sea and eastern Atlantic Ocean. Mushroom Coral: Heliofungia actiniformis - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Staghorn Coral: Astreopora expansa - Information from ARKive on this distinctive Pacific species. Black Corals: Cirrhipathes spp. - Information from ARKive on these long, unbranched corals, which extend up to three metres. Jewel Anemone: Corynactis viridis - Images and information from ARKive on this brightly colored species. Sea-fan Anemone: Amphianthus dohrnii - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Starlet Sea Anemone: Nematostella vectensis - Information from ARKive on this species which burrows into soft mud.