| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Trypoxylon | politum | 346 |
| 2 | Trypoxylon | collinum | 29 |
| 3 | Trypoxylon | lactitarse | 19 |
| 4 | Trypoxylon | petiolatum | 10 |
| 5 | Trypoxylon | texense | 9 |
| 6 | Trypoxylon | frigidum | 8 |
| 7 | Trypoxylon | albitarse | 6 |
| 8 | Trypoxylon | duckei | 4 |
| 9 | Trypoxylon | tridentatum | 3 |
| 10 | Trypoxylon | spangleri | 2 |
| 11 | Trypoxylon | pennsylvanicum | 2 |
| 12 | Trypoxylon | clavatum | 2 |
| 13 | Trypoxylon | superbum | 1 |
| 14 | Trypoxylon | californicum | 1 |
| 15 | Trypoxylon | clavatus | 1 |
| 16 | Trypoxylon | formosicola | 1 |
| 17 | Trypoxylon | menkeanum | 1 |
| 18 | Trypoxylon | spinosum | 1 |