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veliger

[vee-li-jer] /ˈvi lɪ dʒər/
noun
1.
a larval stage of certain mollusks, intermediate between the trochophore and the adult form.
Origin
1875-1880
1875-80; < Neo-Latin; see velum, -i-, -gerous
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for veliger
  • All these lakes have at one time had zebra mussels in either adult or veliger form.
  • Several treatment schedules in these test conditions killed veliger and plantigrade stages of the zebra mussels.
  • Such physical disturbance generally results in the veliger closing the valves of their shells.
  • As the veliger matures, it searches for a firm location within the water to attach itself.
British Dictionary definitions for veliger

veliger

/ˈvɛlɪdʒə/
noun
1.
the free-swimming larva of many molluscs, having a rudimentary shell and a ciliated velum used for feeding and locomotion
Word Origin
C19: from New Latin, from velum + -ger(ous)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for veliger

larva typical of certain mollusks such as marine snails and bivalves. The veliger develops from trochophore (q.v.) larva and has large, ciliated lobes (velum) that form from the ciliary ring (prototroch) characteristic of the trochophore stage. The velum, used in swimming and feeding, generally disappears in the adult. During the veliger stage, the mollusk begins to develop a foot and shell

Learn more about veliger with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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