
| Characteristic Larva | Mueller’s |
| Unique feature | Rhabdites |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome |
| Gut | Incomplete |
| Coelom | Acoelomate |
Clue: I’m a worm, but I’m not round. I’m always a little bit flat.
Professor St. John's Instructional Materials
Sonoma State University

| Characteristic Larva | Mueller’s |
| Unique feature | Rhabdites |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome |
| Gut | Incomplete |
| Coelom | Acoelomate |


Clue: I’m a worm, but I’m not round. I’m always a little bit flat.