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Comprehensive Description ( anglais )

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Acmaea mitra is a sea snail, specifically a limpet. Its body has a soft, muscular foot, which secretes a hard, cone-shaped shell. This is an entirely white limpet, but it is often encrusted by a coralline red alga. The shell is thick, taller than other local limpets, and the apex is only slightly anterior to the center. The surface may be sculptured with fine concentric growth lines and radial striations. Length to 3.5 cm, height to 3 cm. This limpet is easily identified by its color and height. Note: Formerly nearly all our intertidal limpets were classified in family Acmaeidae. Now most of the others have been moved to family Lottiidae, and this is the only species left in family Acmaeidae.
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Look Alikes ( anglais )

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How to Distinguish from Similar Species: Acmaea mitra is the only all white limpet, and is much taller and conical like a miter or short dunce's cap than are other limpets.
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Habitat ( anglais )

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A. mitra can be found whereever red coralline algae is present.
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Distribution ( anglais )

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Geographical Range: Aleutian Islands, Alaska to Baja California.
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Habitat ( anglais )

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Depth Range: Low intertidal and mostly shallow subtidal
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Comprehensive Description ( anglais )

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Biology/Natural History: Acmaea mitra is known by its tall shell, which can reach a height of 30 mm and a length of 35 mm. The scientific name means "pointed cap". This species eats coralline aglae using its radula. The teeth of its radula are unique amoung marine invertebrates, as they are capped with goethite, and also with silica. Goethite is an iron compound that forms a hard crystalline cap around the teeth. A. mitra is also fairly unique amoung limpets as it does not appear to have any defense response system to predators. Predators include the seastar Orthasterias koehleri and birds such as black oystercatchers and white-winged scoters.
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Acmaea mitra ( anglais )

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Acmaea mitra, common name the whitecap limpet, is a species of sea snail or true limpet, a marine gastropod mollusc in the family Acmaeidae, one of the families of true limpets.

Taxonomy

Acmaea mitra was placed in the family Acmaeidae for many years, but based on molecular phylogeny evidence by Nakano & Ozawa (2007)[1] Acmaeidae was synonymized with Lottiidae. However, this synonymy was subsequently found incorrect, having been the result of contaminated samples, and Acmaea mitra and a related species, Niveotectura pallida form a well-supported clade outside of the Lottiidae, and Acmaeidae was re-established.[2]

Acmaea mitra is the type of the genus Acmaea[3]

References

  1. ^ Nakano, T. & T. Ozawa (2007). "Worldwide phylogeography of limpets of the order Patellogastropoda: molecular, morphological and palaeontological evidence". Journal of Molluscan Studies. 73 (1): 79–99. doi:10.1093/mollus/eym001.
  2. ^ Nakano, T. & T. Sasaki (2011). "Recent advances in molecular phylogeny, systematics and evolution of patellogastropod limpets". Journal of Molluscan Studies. 77 (3): 203–217. doi:10.1093/mollus/eyr016.
  3. ^ Gofas, S. (2009). Acmaea Eschscholtz, 1833. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137616 on 2010-03-30
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Acmaea mitra: Brief Summary ( anglais )

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Acmaea mitra, common name the whitecap limpet, is a species of sea snail or true limpet, a marine gastropod mollusc in the family Acmaeidae, one of the families of true limpets.

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Acmaea mitra ( latin )

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Acmaea mitra est species aquaticorum gastropodorum, marinum molluscum familiae Lottiidarum et sola species generis Acmaea.[1][2]

Taxinomia

Acmaea diu est typus familiae Acmaeidarum,[3] sed investigationes phylogenicae moleculares a Nakano et Ozawa effectae[1] Acmeaidas esse synonymum Lottiidarum monstrant.

Descriptio

Testa alba est. Animal herbivora est, quae quibusdam algis per suam radulam docoglossanam vescitur.

Nota bene

Notae

  1. 1.0 1.1 Nakano T. & Ozawa T. (2007). "Worldwide phylogeography of limpets of the order Patellogastropoda: Molecular, morphological and palaeontological evidence". Journal of Molluscan Studies 73(1) 79-99. doi:10.1093/mollus/eym001.
  2. Gofas, S. (2009). Acmaea Eschscholtz, 1833. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through the World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=137616 on 2010-03-30
  3. Bouchet et Rocroi, Taxonomy of the Gastropoda (2005).

Bibliographia

  • Eschscholtz. 1833. Zool. Atlas 5: 16.

Nexus externi

Wikispecies-logo.svg Vide "Acmaeam mitram" apud Vicispecies.
Commons-logo.svg Vicimedia Communia plura habent quae ad Acmaeam mitram spectant.
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Acmaea mitra: Brief Summary ( latin )

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Acmaea mitra est species aquaticorum gastropodorum, marinum molluscum familiae Lottiidarum et sola species generis Acmaea.

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Acmaea mitra ( néerlandais ; flamand )

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Acmaea mitra is een slakkensoort uit de familie van de Acmaeidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1833 door Rathke.

Bronnen, noten en/of referenties
  1. Rosenberg, G. (2012). Acmaea mitra Rathke, 1833. Geraadpleegd via: World Register of Marine Species op http://www.marinespecies.org/aphia.php?p=taxdetails&id=456582
Geplaatst op:
09-03-2013
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