| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |

Image Jon Davies - Cobbles with dense Pomatoceros species (ECR.PomByC). Image width ca 50 cm.
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CR.ECR.EFa.PomByC recorded (
) and expected (
) distribution in Britain and Ireland (see below)
| Major habitat | CR | Circalittoral rock (and other hard substrata) |
|---|---|---|
| Habitat complex | CR.ECR | Exposed circalittoral rock |
| Biotope complex | CR.ECR.EFa | Faunal crusts or short turfs (wave-exposed rock) |
| Biotope | CR.ECR.EFa.PomByC | Pomatoceros triqueter, Balanus crenatus and bryozoan crusts on mobile circalittoral cobbles and pebbles |
This review can be cited as follows:
Tyler-Walters, H. 2002. Pomatoceros triqueter, Balanus crenatus and bryozoan crusts on mobile circalittoral cobbles and pebbles. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 21/05/2013]. Available from: <http://www.marlin.ac.uk/habitatclassification.php?habitatid=177&code=1997>