Animals (Animalia)

Sponges (Porifera)

Sea anemones, corals, sea firs & jellyfish (Cnidaria)

Sea gooseberries & comb jellies (Ctenophora)

Flatworms (Platyhelminthes)

Ribbon worms (Nemertina)

Spoon worms (Echiura)

Peanut worms (Sipuncula)

Snails, slugs, mussels, cockles, clams & squid (Mollusca)

Segmented worms e.g. ragworms, tubeworms & fanworms (Annelida)

Arthropods, joint-legged animals, e.g. insects, crustaceans & spiders (Arthropoda)

Horseshoe worms (Phoronida)

Sea mats, horn wrack & lace corals (Bryozoa)

Lamp shells (Brachiopoda)

Starfish, brittlestars, sea urchins & sea cucumbers (Echinodermata)

Sea squirts, fish, reptiles, birds and mammals (Chordata)

Red and green seaweeds, stoneworts & flowering plants (Plantae)

Red seaweeds (Rhodophyta)

Green seaweeds and stoneworts (Chlorophyta)

Seagrass, tassel weeds, reeds, sea pink & grasses (Angiospermophyta)

Brown and yellow-green seaweeds (Chromista)

Brown and yellow-green seaweeds (Ochrophyta)

Lichens (Fungi)

Sac fungi (Ascomycota)