Patella pellucida: Difference between revisions
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{{Taxobox |
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| color = pink |
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| name = Blue-Rayed Limpet |
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| status = |
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| image_width = 250px |
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| regnum = [[Animal]]ia |
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| phylum = [[Mollusca]] |
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| genus = ''[[Patella]]'' |
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| species = '''''P. pellucidum''''' |
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| binomial = ''Petella pellucidum'' |
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| binomial_authority = [[Carolus Linnaeus|Linnaeus]], 1758 |
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The '''Blue-Rayed Limpet''' ''Patella pellucidum'' (sometimes referred to as ''Helcion pellucidum'') is a small [[limpet]] belonging to the family [[Patellidae]], a type of [[mollusc]]. |
The '''Blue-Rayed Limpet''' ''Patella pellucidum'' (sometimes referred to as ''Helcion pellucidum'') is a small [[limpet]] belonging to the family [[Patellidae]], a type of [[mollusc]]. |
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Lives primarily on [[kelp]] in the lower shore, to about 30 meters. Found on East [[Atlantic]] coasts from [[Iceland]] and [[Norway]], to [[Portugal]]; absent from [[Baltic Sea|Baltic]], East [[Denmark]], [[Belgium]] and [[Holland]]. |
Lives primarily on [[kelp]] in the lower shore, to about 30 meters. Found on East [[Atlantic]] coasts from [[Iceland]] and [[Norway]], to [[Portugal]]; absent from [[Baltic Sea|Baltic]], East [[Denmark]], [[Belgium]] and [[Holland]]. |
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==Classification== |
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** Subclass [[Prosobranchia]] |
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==External links== |
==External links== |
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Revision as of 16:27, 29 April 2006
| Blue-Rayed Limpet | |
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| File:Blue Rayed Limpet John Bishop.jpg | |
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| Species: | P. pellucidum
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| Binomial name | |
| Petella pellucidum Linnaeus, 1758
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The Blue-Rayed Limpet Patella pellucidum (sometimes referred to as Helcion pellucidum) is a small limpet belonging to the family Patellidae, a type of mollusc.
Up to 15mm long when fully grown, it is easily identified by its translucent amber shell with brilliant blue spots running in lines across the top of the shell.
It grows primarily on Laminaria (kelp) but can also be found on Fucus serratus. The larvae settle and metamorphose on the frond where it feeds on its host’s tissue using its radula, leaving small depressions in the frond. As the limpets grow they move down the stipe of the seaweed towards the holdfast where it establishes itself by excavating a hole. This weakens the holdfast, eventually resulting in the seaweed being dislodged by storms. The seaweed is often washed ashore, with the blue-rayed limpet still attached.
Distribution
Lives primarily on kelp in the lower shore, to about 30 meters. Found on East Atlantic coasts from Iceland and Norway, to Portugal; absent from Baltic, East Denmark, Belgium and Holland.