
| Characteristic Larva | Trochophore |
| Unique feature | Segmentation |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome/Lophotrochozoa |
| Gut | Complete |
| Coelom | Coelomate |

Clue: My body features transverse rings called “annulations.”
Professor St. John's Instructional Materials
Sonoma State University

| Characteristic Larva | Trochophore |
| Unique feature | Segmentation |
| Tissue layers | Triploblastic |
| Developmental pattern | Protostome/Lophotrochozoa |
| Gut | Complete |
| Coelom | Coelomate |

Clue: My body features transverse rings called “annulations.”