Definitionn. a round shape formed by a series of concentric circles
Last update: October 6, 2015
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The whole of the body whorl and commencement of the spire is cancellated. [Please select]
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The two other pair of latera, together with the rostrum and sub-carina, form a whorl. [Please select]
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The sub-rostrum lies by itself, a little beneath this whorl. [Please select]
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In medium-sized specimens there are at least 20 valves in the lowermost whorl. [Please select]
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In this latter specimen, some of the valves in the lowermost whorl were exceedingly minute. [Please select]
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The scales of the upper whorl, or of the two or three upper whorls (Pl.) [Please select]
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The scales in each whorl, are placed alternately with those in the whorls, above and below. [Please select]
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Whorl: a ring of long hair arranged around a centre, like the spokes around the hub of a wheel. [Please select]
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The pretty, close-whorled spirals, placed one against the other on the same level, have a very pleasing general effect. [Please select]
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#Whorl#, a single coil in the spire of a gasteropod shell. [Please select]
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_ Shell small, olive; spire longer than the aperture; the tip obtuse, rufous; basal whorl slightly carinated in the middle; umbilicus obsolete. [Please select]
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