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of the adult shell. The parietal wall is the margin of the aperture and part of the wall of the body whorl that is closest to the
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79:. The callus is often smooth and glossy, but can also be decorated with raised ribs or wrinkles.
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has a narrow parietal callus around the surface of the aperture nearest the
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and others. It is also found in some families of land snails, terrestrial
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deposit which may be present on the parietal wall of the
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has a large parietal callus, at the top in this image
82:This feature is found in such marine families as
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16:Shell anatomy of some groups of snails
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147:. You can help Knowledge by
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59:anatomy of some groups of
143:-related article is a
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67:. It is a thickened
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117:Aperture (mollusc)
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194:Gastropod anatomy
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40:Cymatium pileare
26:Semicassis pyrum
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53:parietal callus
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37:The shell of
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149:expanding it
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96:Ringiculidae
86:(pictured),
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92:Nassariidae
188:Categories
123:References
100:pulmonates
84:Ranellidae
69:calcareous
65:gastropods
141:gastropod
77:columella
45:columella
106:See also
88:Cassidae
73:aperture
63:, i.e.
61:snails
139:This
57:shell
145:stub
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51:A
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