- Sponges: History, Characteristics and Chemicals
- Sponge Types and Species: Fire, Glass and Barrel Sponges
- Sea Anemones: Characteristics, Feeding and Toxins
- Sea Urchins
- Sea Urchin Types and Species:
- World's Oldest Life Forms: Stromatolites, Algae and Thrombolites
- Cambrian Explosion and the World's Oldest Animals
- Jellyfish Characteristics, History, Behavior and Development
- Jellyfish, People, Swarms, Other Animals and the Nobel Prize
- Jellyfish Types and Species
- Comb Jellies (Ctenophora)
- Portuguese Man-of-War: Characteristics, Reproduction and Stings
- Box Jellyfish and Irukandji: Characteristics, Species and Venom
- Box Jellyfish: Stings, Victims and Deaths
- Jellyfish-Like Creatures: Siphonophores and Hydrozoans
