different cnidaria classes

• HYDROZOA

  ✓ Typically exhibit both polyp and medusa forms in their life cycle.

  ✓ Polyps are often colonial and interconnected by stolons.

  ✓ Medusae have a bell-shaped body with tentacles around the edge
• HYDROZOA

  examples:

  Common name: Portuguese Man o' War

  Scientific name: Physalia physalis

  Common name: Obelia

  Scientific name: Obelia sp.
• SCYPHOZOA

  ✓ Predominantly medusa-form individuals.

  ✓ Medusae have a bell-shaped body with tentacles hanging down from the edge.

  ✓ Lack a velum (a membranous structure found in hydrozoan medusae).
• SCYPHOZOA

  examples:

  Common name: Moon jellyfish

  Scientific name: Aurelia aurita

  Common name: Lion's Mane Jellyfish

  Scientific name: Cyanea capillata
• CUBOZOA

  ✓ Medusae have a cube-shaped or box-shaped bell with tentacles extending from each corner.

  ✓ Possess complex eyes, allowing for advanced visual capabilities.
• CUBOZOA

  examples:

  Common name: Australian Box Jellyfish

  Scientific name: Chironex fleckeri

  Common name: Sea Wasp

  Scientific name: Chiropsalmus sp.
• ANTHOZOA

  ✓ Lack a medusa stage; exist only as polyps.

  ✓ Polyps are typically sessile and solitary or colonial, with tentacles surrounding a central mouth
• ANTOZOA

  examples:

  Common name: Sea Anemones

  Scientific name: Actiniaria

  Common name: Corals

  Scientific name: Scleractinia