Assertion: gastropod's shell | /r/HasProperty | coiled
Facets:
value: usually
type: DEGREE
value: planispirally
type: MANNER
value: spirally
type: DEGREE
value: elaborately
type: DEGREE
Source sentences:
text: The shell is usually coiled and may be "left-handed" or sinistral (spiraled counter-clockwise) or "right-handed" or dextral (clockwise).
text: An example of this is Bellerophon from the limestones of the Carboniferous period in Europe, the shell of which is planispirally coiled and can be mistaken for the shell of a cephalopod.[citation needed]
text: Most gastropods have a coiled or conical shell, which may be extremely reduced in some species or lost entirely as in slugs.
text: Gastropods can be recognised by their large foot, tentacles, coiled shell and the presence of torsion (the body is twisted round so that the anus, reproductive organs, mantle cavity and gills all point forwards).
text: The shell may be planispirally coiled, but more usually it is helicoidal forming a spire with the original juvenile shell (protoconch) preserved at its apex.
text: The shell of a gastropod is usually coiled and is used for protection, as it is for most mollusks (A).
text: The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semislugs (this is in contrast to the common name snail, which applies to gastropods that have a coiled shell large enough that the animal can fully retract its soft parts into the shell).
text: The shells of most species of sea snails are spirally coiled.
text: Currently the group is thought to have been derived from a mono-placophoran-type ancestor by torsion and development of an exogastric condition, where the shell is coiled away from the animal's head.
text: The shell is coiled, aragonitic, nacreous and pressure-resistant, imploding at a depth of about 800 m (2,600 ft).
text: Many gastropods are protected in a cap-shaped or coiled shell.
text: Most shells are spirally coiled while some sea snails, commonly called the impetus, have a conical shell.
text: Over millions of years, gastropods evolved elaborately coiled and brightly colored shells as protection for their soft internal organs.
text: Usually the shell is coiled but not always in the right handed direction.