limpet

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limpet,

marine gastropodgastropod,
member of the class Gastropoda, the largest and most successful class of mollusks (phylum Mollusca), containing over 35,000 living species and 15,000 fossil forms.
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 mollusk with a simple, flattened, conical shell, found in cooler waters of the Atlantic and the Pacific oceans. Certain species creep over rocks, feeding on algae during high tides, but when the tide recedes they return instinctively to the same spot occupied previously, to await the return of high water. The muscular foot clings so powerfully that limpets are found in wave-swept areas where few other forms of life can survive. The keyhole limpet is named for its central opening, through which respiratory currents pass. Limpets range up to 4 in. (10 cm) in length, but most are smaller; there are several freshwater species. Limpets are classified in the phylum MolluscaMollusca
, taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the Cambrian period.
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, class Gastropoda, order Archeogastropoda.

limpet

[′lim·pət]
(invertebrate zoology)
Any of several species of marine gastropod mollusks composing the families Patellidae and Acmaeidae which have a conical and tentlike shell with ridges extending from the apex to the border.

limpet

1. any of numerous marine gastropods, such as Patella vulgata (common limpet) and Fissurella (or Diodora) apertura (keyhole limpet), that have a conical shell and are found clinging to rocks
2. any of various similar freshwater gastropods, such as Ancylus fluviatilis (river limpet)
3. a small open caisson shaped to fit against a dock wall, used mainly in repair work
References in periodicals archive ?
Change([double Species Range([dagger]) dagger]) Acmaea mitra C - `Collisella' scabra C + Lottia digitalis C - Lottia limatula C - Lottia pelta C + Tectura scutum N - Signif- Species icance P Acmaea mitra * 0.
In Cuastecomate Bay, several species were more common in localities where wave action was more intense, particularly Patella mexicana and Plicopurpura patula pansa, and species of Fissurella, Siphonaria, Trimusculus, Calyptraea, Crucibulum, Lottia and Tectura, and most bivalves found in the bay.
Hydrodynamics, shell shape, behavior and survivorship in the owl limpet Lottia gigantea.
Searches based on domain organization were used to identify genes encoding usherin-like proteins in the genomes of chordates (including the tunicate Ciona savignyi and the lancelet Branchiostoma floridae), the echinoderm Strongylocentrotus purpuratus, as well as in the limpet Lottia gigantea and the polychaete Capitella (Table 1).
The heat-shock response of four congeners of Lottia limpets was also studied to elucidate the adaptation and evolution of Hsp70 to temperature.
AAK06713), Lottia gigantea Hb (JGI protein ID 167538), Callus gallus Ikaros 1 (NM205088), Gallus gallus Aiolos (NM204607).
Human studies and the demonstration of conserved molluscan homologs for human upstream regulatory and downstream transcriptional target genes in the archeogastropod Lottia gigantea (http://genome.
menziesii individuals exhibit higher rates of grazing by the limpet Lottia insessa (formerly Acmaea insessa), than do solitary individuals of E.
To examine this relationship, we studied four congeners of limpets belonging to the genus Lottia that have different vertical distributions.
Sequence alignments (tBlastn) using homeodomains of proteins belonging to NK2, NK3, NK4, NK5, NK6, NK7, Msx, Hex, and Tlx families were derived from Lottia gigantea, Branchiostoma floridae, and Ciona intestinalis genome contigs available at http://genome.
Apparent oceanography triggers to the spawning of the limpet Lottia digitalis (Rathke).