ammocoete

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ammocoete

(ˈæməˌsiːt) or

ammocete

n
(Zoology) the larva of primitive jawless vertebrates, such as the lamprey, that lives buried in mud and feeds on microorganisms
[C19: from New Latin ammocoeteēs, literally: that lie in sand, from Greek ammos sand + koitē bed, from keisthai to lie]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
likomato
References in periodicals archive ?
The pharynx of lamprey ammocete larvae functions much like that of amphioxus, and the vertebrate pharynx functions as a surface for gas exchange (although filter feeding has been reinvented in some taxa).
Particle retention and flow in the pharynx of the enteropneust worm Harrimania planktophilus: the filter-feeding pharynx may have evolved before the chordates
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