Laver spire shell  (Hydrobia ulvae)

Species information

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Glossary

Larval: Of the stage in an animal's lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.
Planktonic: Aquatic organisms that drift with water movements; may be either phytoplankton (plants), or zooplankton (animals).
Radula: In some molluscs, a narrow structure that bears teeth and is used to rasp at food.

References

  1. Jackson, A., 2000. Hydrobia ulvae. Laver spire shell. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. (November, 2002)
    http://www.marlin.ac.uk/species/Hydrobiaulvae.htm
  2. Fish, J.D. and Fish, S. (1996) A student's guide to the seashore. Second Edition. Cambridge University Press, Cambridge.
  3. Action Plan for mudflats. UK Biodiversity Action Plan (November, 2002)
    http://www.ukbap.org.uk