A syconoid is pertaining to or resembling a sycon.
sponges
asconoid sponges, and syconoid
Choanocytes (also known as "collar cells"). Choanocytes are found dotting the surface of the spongocoel in asconoid sponges and the radial canals in syconoid sponges, but they comprise entirely the chambers in leuconoid sponges.
there are really many types of sponges. One is the octopus sponge people love this kind because it contians a lot of fluid inside it. Another type is the seahorse sponge with is huge and it can bite through a shark. it is the size of two elephants! one more sponge is the lily pad sponge it is a light green with the smell of frog on it, it doesnt smell nice and it eats dolphins which IS MEAN!
The Grantia Canal System is called the "Sycon (syconoid) Canal System." This means that the canals from the sponges inside (excurrent canals) and those from the outside (incurrent canals) of its body wall end blindly, but are connected at right angles by openings called prosopyles. This type of canal system is intermediate in canal complexity. The canals are the pathways the water takes through the sponge.
Unique stuctures of Phylum Porifera include 1 : Spicules which may be calcarious or silicious . 2 : Canl system , which may be asconoid , syconoid or leucon type . 3 Spongin fibers in some fresh water sponges .
It has no symmetry, and they have jelly like cells that transport food throughout the body. Collar Cells: fires spines that traps food. Spiky things: Protects the Sponges's body.