Difference Between Obelia and Aurelia | Phylum Cnidaria

The upcoming discussion will update you about the difference between obelia and aurelia. Difference # Obelia: A. Medusa: 1. It has a small size, often called swimming bell and the medusa is produced by bud­ding from blastostyles of polypoid obelia colony. 2. Medusa phase is reduced. 3. The bell margin is entire and is provided with few long, solid tentacles. [...]