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Taxon profile

genus

limpet
Patella Linnaeus, 1758

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  family Patellidae

Description

Shell ovate, conical or cap-shaped, with the apex subcentral, usually solid, and of medium size to very large. Sculpture consisting of radial ridges of varying strength, mostly crossed by concentric growth lines. Interior of shell varying from subtranslucent, polished and iridescent, to opaque porcelanous. Colour pattern external, usually in the form of radials associated with the ribbing, and showing through to the interior in subtranslucent shells but confined to the marginal border in those with a thick porcelanous internal layer.
The gill cordon is complete, and the radula relatively short and folded back upon itself at the nascent end. The radula formula is 3+1 + 4 + 1 + 3 or 3 + 1 + (2 + 1 + 2) + 1 + 3 or 3+1+5+1+3.
The variations of the above formulae occur in the central teeth, which may consist of 4 identical centrals in a horizontal row, as in Patella vulgata, or in others when an incipient median central is added, or, again, in certain species of the subgenus Scutellastra when the median central attains the size of the other centrals, thus making 5 identical centrals. The lateral is almost invariably pluricuspid, and the 3 marginals are narrow, with very weak cusps at most, and they are apparently functionless.

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Ctenidium absent; replaced by gill cordon. Radula; 4 or 5 central teeth, median one present, vestigial or absent; lateral large, pluricuspid; marginals 3, weak or vestigial. Gill cordon complete.
Source: Powell, 1973. The Patellid limpets of the world (Patellidae).

Distribution

Typical Patella is well-represented along the western coast of Europe, from the Lofoten Islands to Great Britain, down to Spain, the Mediterranean, the West African mainland and off-shore islands, then southward to South Africa, where typical Patella becomes more or less merged into a composite local fauna of cold and warm-water subgenera. From there the genus continues, in subgeneric form, across to the warmer water island groups of the Indo-Pacific, extending northward to Japan, eastward to the west coast of tropical Central America, and southward to the Kermadec Islands and the temperate waters of southern Australia and Tasmania.
Source: Powell, 1973. The Patellid limpets of the world (Patellidae).
Author: Jan Delsing

Included taxa

Number of records: 28

species Patella argentaurum R.P. Lesson, 1831

Patella argentaurum - 000000000111000

species Patella aspera Röding, 1798

Patella aspera - 0000000001111

species Patella barbara Linnaeus, 1758
species Patella caerulea Linnaeus, 1758

Patella caerulea - 000000000111

species Patella calix C.C. Li, 1930
species Patella candei d'Orbigny, 1840

Patella candei - 000000000111

species Patella citrullus A. A. Gould, 1826

Patella citrullus - 000000000111

species Patella costata R.P. Lesson, 1831

Patella costata - 000000000111000

species Patella crocata R.P. Lesson, 1831

Patella crocata - 000000000111000

species Patella cyanea R.P. Lesson, 1831

Patella cyanea - 000000000011000

species Patella depressa Pennant, 1777

Patella depressa - 0000000001110

species Patella ferruginea Gmelin, 1791

Patella ferruginea - 000000000111

species Patella gomesii H. Drouët, 1858

Patella gomesii - 000000000111000

species Patella lugubris J. F. Gmelin, 1791

Patella lugubris - 000000000111

species Patella moreletti Drouet, 1858

Patella moreletti - 000000000011

species Patella natalensis C. F. Krauss, 1848
species Patella nidulina E. A. A. Locard, 1896

Patella nidulina - 000000000111

species Patella nigrosquamosa R.W. Dunker, 1846
species Patella pellucida Linnaeus, 1758 - Blue-rayed limpet

Patella pellucida - 0000000001110

species Patella piperata Gould, 1846

Patella piperata - 0000000001111

species Patella pulchella H.M.D. de Blainville, 1825

Patella pulchella - 000000000101000

species Patella rangiana A. de Rochebrune, 1882

Patella rangiana - 000000000111000

species Patella rustica Linnaeus, 1758

Patella rustica - 0000000001111

species Patella skelettensis W. Massier, 2009
species Patella swakopmundensis W. Massier, 2009

Patella swakopmundensis - 000000000101000

species Patella tenuis Gmelin, 1791

Patella tenuis - 0000000001

species Patella ulyssiponensis Gmelin, 1791 - China Limpet

Patella ulyssiponensis - 0000000001110

species Patella vulgata Linnaeus, 1758 - Common Limpet

Patella vulgata - 00000000011110


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