Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun Plural form of
protoconch .
Etymologies
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Examples
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However, one significant trait distinguishes B. gymnesica from both Mastus and Napaeus: the protoconch, or the embryonic whorls, of Balearena have spiral lines on bottom halves of whorls, whereas the Mastus and Napaeus protoconches are always devoid of such microsculpture.
Archive 2008-07-01 AYDIN 2008
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However, one significant trait distinguishes B. gymnesica from both Mastus and Napaeus: the protoconch, or the embryonic whorls, of Balearena have spiral lines on bottom halves of whorls, whereas the Mastus and Napaeus protoconches are always devoid of such microsculpture.
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