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.
| Acmaea mitra | |
|---|---|
| |
| A live individual of Acmaea mitra. The shell is covered in encrusting red coralline algae, which is why it appears to be pink | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Patellogastropoda |
| Superfamily: | Lottioidea |
| Family: | Acmaeidae |
| Genus: | Acmaea |
| Species: | A. mitra
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| Binomial name | |
| Acmaea mitra Rathke, 1833
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| Synonyms | |
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Scurria mitra (Rathke, 1833) superseded combination | |
Taxonomy edit
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]
Description edit
The length of the shell varies between 12 mm and 38 mm.
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Distribution edit
This species occurs in the Pacific Ocean between Alaska and Baja California, Mexico.
References edit
- ^ 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.
- ^ 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.
- ^ 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
- Rosenberg, G. 1992. Encyclopedia of Seashells. Dorset: New York. 224 pp.
- Nakano T. & Ozawa T. (2007). Worldwide phylogeography of limpets of the order Patellogastropoda: molecular, morphological and paleontological evidence. Journal of Molluscan Studies 73(1): 79–99.
External links edit
- Rathke H. (1833). Zoologischer Atlas, enthaltend Abbildungen und Beschreibungen neuer Thierarten, während des flottcapitains v. Kotzebue zweiter reise un die welt, auf der russisch-kaiserlichen kriegsschlupp Predpriaetië in den jahren 1823-1826. Berlin: G. Reimer. Bd. 5. S. viii+1-28
- Hanna, G. D. & Smith, A. G. (1931). Notes on Acmaea funiculata (Carpenter). The Nautilus. 45(1): 21-25, pl. 2
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apical view -
basal view
