Marine Biodiversity

 

Porifera (sponges)

 

Cnidaria (jellyfish, sea anemones, sea fans, soft corals, hard corals)

 

Ctenophora (comb-jellies)

 

 

Bryozoa

 

 

Crustacea (crabs, lobsters, barnacles, isopods, amphipods) 

 

Annelida (segmented worms) 

 

 

Pogonophora

Marine worms living in tubes. Some giant species, 1.5 m long have been found around warm water vents in the Pacific Ocean.

 

Vestimentifera

 

 

Echiura (spoon worms and innkeepers)

Once placed with the phylum Annelida.

 

Mollusca (snails, mussels, squid, etc.)

 

Sipuncula (peanut worms)

 

 

Nemertea (ribbon worms)

Marine worms that in some species can reach 30 m in length! Synonyms: Nemertini or Nemertina.

 

Platyhelminthes (flatworms, tapeworms) 

 

 

Hemichordata

Marine organisms such as acorn worms.

 

Brachiopoda (lamp shells)

Look superficially like clams in that they have a similar shaped shell but they are not molluscs.

 

Ectoprocta (bryozoans or moss animals)

Found on rocky shores.

 

Phoronida

 

 

Chaetognatha (arrowworms)

About 70 species known.

 

Tunicata or Urochordata (tunicates, sea squirts, doliolids, salps)

Echinodermata (starfish, sea urchins, sea cucumbers, etc.) 

 

See the articles by Bevan Pank, many of which concern marine life.

 

Contact us if you can contribute information or images to improve this page.

Marine Biodiversity home   Biodiversity Explorer home   Iziko home   Search