Polyps forming colonies; polyps with 8 pinnate tentacles and 8 mesenteries
Step 2
Polyps forming colonies or solitary; polyps never with just 8 pinnate tentacles or mesenteries
Step 7
39 possible taxa remaining show common names
- Actinauge richardi
- Actinia equina
- Actinothoe sphyrodeta
- Adamsia carciniopados
- Alcyonium digitatum
- Anemonia viridis
- Balticina christii
- Bolocera tuediae
- Calliactis parasitica
- Caryophyllia smithii
- Cerianthus lloydii
- Diadumene cincta
- Edwardsiella carnea
- Eunicella verrucosa
- Funiculina quadrangularis
- Halcampa chrysanthellum
- Halcampoides purpurea
- Haliplanella lineata
- Hormathia digitata
- Isozoanthus sulcatus
- Lophelia pertusa
- Metridium senile
- Nematostella vectensis
- Parazoanthus anguicomus
- Peachia cylindrica
- Pennatula phosphorea
- Phellia gausapata
- Protanthea simplex
- Sagartia elegans
- Sagartia troglodytes
- Sagartiogeton laceratus
- Sagartiogeton undatus
- Sarcodictyon roseum
- Sphenotrochus andrewianus
- Stomphia coccinea
- Swiftia pallida
- Urticina eques
- Urticina felina
- Virgularia mirabilis
Decision path