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13 Cards in this Set
- Front
- Back
Genus: Syconoid |
Phylum: Porifera Class: Calcarea ( Calcium Based) Genus: Sycon Canal type: Radial |
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Osculum |
Opening of the spongocoel |
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Spicules |
Needle like structures, made of calcium or silica |
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apopyle |
Opening into the radial canal of syconoid sponge |
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Choanocyte |
Flagellated feeding cell |
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Spongin |
fibrous support structure |
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Class: Calcarea |
Spicules: Calcium Carbonate Canal systems: Ascynoid, Syconoid, Leuconoid Habitat: Marine Spongin: none |
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Class: Hexactinellida |
Spicules: Six rayed with siliceous Canal Systems: Syconoid or Leuconoid Spongin: none |
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Class: Demospongiae |
Spicules: Silicious, not 6 rayed Habitat: mostly marine Spongin: only one with spongin |
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Ascinoid |
Choanocytes line the spongocoel |
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Syconoid |
Choanocytes line the radial canal |
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Leuconoid |
Contains choanocyte pockets, most efficient feeder
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Order: Porifera |
Classes: demospongiae, Hexaxtinellida, Calcarea ` |