More on Pecten
Scallop - or pecten, marine bivalve mollusk. Like its close relative the oyster, the scallop has no siphons, the mantle being completely open, but it differs from other mollusks in that both mantle edges...
Atlantic Bay Scallop (Argopecten irradians amplicostatus)
Description The Atlantic bay scallop has a valve length of 2.5 to 2.8 inches (60 to 70 mm). It has nearly identical fan-shaped shells with 17 to 20 ribs on each shell.
Pecten along the beak.
Ducks exploit a variety of food sources such as grasses, aquatic plants, fish, insects, small amphibians[3], worms, and small molluscs.
p, Pecten.
stig', First pulmonary aperture. stig 4 , Fourth pulmonary aperture.
dam, Muscle from carapace to a praeoral entosclerite.
Dabbling ducks feed on the surface of water or on land, or as deep as they can reach by up-ending without completely submerging. Along the edge of the beak there is a comb-like structure called a pecten.
Sand Sifting Sea Star (Astropecten polycanthus) Profile
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Sea Animals - The Names Of Common Sea Animals In Mandarin Chinese ...
The diminutive inquiline snailfish (Liparis inquilinus) of the northwestern Atlantic is known to live out its life inside the mantle cavity of the scallop Placopecten magellanicus.
However, some burrowing species like sea stars from genus Astropecten and Luidia are quite capable of rapid, creeping motion - it "glides" across the ocean floor.
 See also: Shell, Scallop, Oyster, Mollusk, Bivalve
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