Definitions
from The Century Dictionary.
- noun A porifer; a sponge.
- Same as
poriferous .
from the GNU version of the Collaborative International Dictionary of English.
- noun (Zoöl.) One of the Polifera.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biology Any
sponge of the phylumPorifera .
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun primitive multicellular marine animal whose porous body is supported by a fibrous skeletal framework; usually occurs in sessile colonies
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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"Because all three main clades of bilaterian animals express a let-7 RNA that is temporally regulated, but cnidarian, poriferan and all non-animal species that we analysed do not express a detectable let-7 RNA, we propose that the gene evolved after the divergence of diploblastic and bilaterian animals"
Teach the Controversy James F. McGrath 2008
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Namapoikia rietoogensis gen. et sp. nov. is up to 1 meter in diameter and bears a complex and robust biomineralized skeleton; it probably represents a cnidarian or poriferan.
The Cambrian as an evolutionary exemplar - The Panda's Thumb 2005
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Your card credit report zukerman isaac with a gravidity milanese in the oscillator uncounted to the treacly conservation limbed to the poriferan.
Rational Review 2009
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