Branchiostoma belcheri
Branchiostoma belcheri
Image credit: Shengfeng Huang
1440 entries
| Class | Order | Superfamily | Entries |
| CLASS II | TIR | PiggyBac | 17 |
| CLASS II | TIR | Sola | 8 |
| CLASS II | TIR | Tc1-Mariner | 11 |
| CLASS II | TIR | Zator | 2 |
| CLASS II | Helitron | Helitron | 3 |
| CLASS II | DNA/Unknown | Unknown | 190 |
| Unknown | Unknown | Unknown | 52 |