
| Characteristic Larva | n/a |
| Unique feature | Mastax |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome |
| Gut | Complete |
| Coelom | Pseudocoelomate |

Clue: I do get around . . . after all, my name means “wheel bearer.”
Professor St. John's Instructional Materials
Sonoma State University

| Characteristic Larva | n/a |
| Unique feature | Mastax |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome |
| Gut | Complete |
| Coelom | Pseudocoelomate |

Clue: I do get around . . . after all, my name means “wheel bearer.”