Porifera: Definition from Answers.com
Because the asconoid type has the smallest surface area, sponges of this
structure are among the smallest in the phylum; leuconoid sponges, with a large
...
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Asconoid, syconoid, and leuconoid. - Hutchinson encyclopedia ...
Hutchinson encyclopedia article about Asconoid, syconoid, and leuconoid..
Asconoid, syconoid, and leuconoid.. Information about Asconoid, syconoid, ...
encyclopedia.farlex.com/ Asconoid,+syconoid,+and+leuconoid.

Calcareous sponge: Definition from Answers.com
The leuconoid grade of construction has probably evolved independently among the
several lines of calcareous sponges. In those with a syconoid ancestry, ...
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leuconoid
leuconoid - the body form of highest complexity in sponges. The leucanoid form
is highly irregular, displays the greatest degree of folding of the body wall
...
www.experiencefestival.com/leuconoid

choanocyte: Definition from Answers.com
Choanocytes (also known as "collar cells") are cells that line the interior of
Asconoid,syconoid and leuconoid body type sponges that contain a central ...
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Porifera
Leuconoid sponges represent the most complex body form. The canal system is
extensively branched. ... The "bath sponge" is an example of a leuconoid sponge.
...
www.esu.edu/~milewski/intro_biol_two/ lab_9_porifera_cnidaria/Porifera.html

Leucettida: Definition from Answers.com
(invertebrate zoology) An order of calcareous sponges in the subclass Calcinea
having a leuconoid structure and a distinct dermal membrane or cortex. ...
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Asconoid, syconoid, and leuconoid. definition of Asconoid ...
sponge, common name for members of the aquatic animal phylum Porifera Porifera (
pōrĭf`ərə) [Lat.,=pore bearer], animal phylum consisting of the organisms ...
encyclopedia2.thefreedictionary.com/ Asconoid,+syconoid,+and+leuconoid.

Lemon-sponge: Information from Answers.com
Leuconoid aquiferous system. Spicules small: larger regular triactines about 250
–500 25–50 µm, smaller regular triactines 100–200 10–25 µm; ...
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Porifera (sponges)
Synconoid and leuconoid canal systems occur in this class. Class Calcarea ...
All have the leuconoid canal system. Demospongiae are often brightly coloured.
...
www.bumblebee.org/invertebrates/Porifera.htm