top shell

top shell

[¦täp ‚shel]
(invertebrate zoology)
Any of the marine snails of the family Trochidae characterized by a spiral conical shell with a flat base.
References in periodicals archive ?
Kagaoan said the 13 sacks of seashells consisted of the following: helmet shell, 157 pieces; trumpet shell, four; frog shell, 35; bonnet shell, 10; spider cooch, four; gold lip shell, 44; murex, three; and smooth top shell, 238.
The West Indian top shell Cittarium pica (Linnaeus, 1758) is an herbivorous and detritivorous gastropod that lives in the rocky intertidal of the Caribbean Sea, which is considered among those of higher ecological and commercial importance of the region (Randall, 1964; Robertson, 2003).
Now, holding the crab in both hands, use your thumbs to push the body up and out of the hard, top shell or carapace.
Slide the knife under the top shell to release and remove the oyster.
The rotable top shell ensures safe maintenance and reduces downtime by up to 70 percent.
She remained motionless until I snatched her up--fingers on her carapace (top shell) and thumbs on her plastron (bottom shell), like a sandwich--and she instantly became a flurry of flailing limbs in my hands.
Slide the blade of a thin, flexible knife between the two shells and, holding it flat against the top shell, feel for the ligament that joins the meat to it.
And that was how a top Shell management honcho was made.
The first method was a plastic-laminated paper number glued to the top shell of the oyster using a two-part epoxy resin (Araldite 5 Minute Adhesive).
Scrape the knife across the top shell to sever the muscle and then cut off the bottom shell.
With a simple twist of the top shell, the oyster opens, leaving the meat fresh and beautifully whole, Chef Francisco Miyoga explains an alternative.
Jayaram attached sandpaper to the top and bottom of crevices to determine how friction affected their ability to move, and found that a smooth top shell and not too much floor friction were key, since the roach has to have sufficient friction to push forward, but not too much to slow it down.