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SPONGES

SPONGES. Some basic sponge structure. Increasing surface area for same volume. Asconoid . Leuconoid . Syconoid . Structure of the sponge wall. Unique features. Choanocytes. Spicules. Spicules. Siliceous. Calcareous. Collagen (= spongin). Spicules form a meshwork for support.

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SPONGES

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  1. SPONGES

  2. Some basic sponge structure Increasing surface area for same volume Asconoid Leuconoid Syconoid

  3. Structure of the sponge wall

  4. Unique features Choanocytes Spicules

  5. Spicules Siliceous Calcareous Collagen (= spongin)

  6. Spicules form a meshwork for support

  7. Sponge Classification Phylum Class Characteristics Porifera Calcarea -CaCO3 spicules - all are marine Hexactinellida -SiO3 spicules - 6-rayed spicules - all are marine - “glass sponges” Demospongiae -SiO3 spicules - may have spongin - marine, brackish or fresh water Sclerospongiae - coralline sponges -reassigned to Demospongiae and Calcarea (1985)

  8. Sponges you’ll have to know and love

  9. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Pseudoceratina Branching tube sponges

  10. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Aplysina Stovepipe/tube sponges

  11. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Callyspongia Branching vase sponges

  12. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Xestospongia Giant Barrel sponges

  13. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Cinachyra Ball sponges

  14. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Tedania Fire sponges

  15. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Neofibrularia Touch-me-not sponges

  16. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Aplysina Rope sponges

  17. Pseudoceratina Aplysina Callyspongia Xestospongia Cinachyra Tedania Neofibrularia Aplysina Cliona Sponges - Cliona Encrusting/Boring sponges

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