| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Gregoia | albengai | 54 |
| 2 | Gregoia | mariecatherinae | 4 |
| 3 | Gregoia | mauricetteae | 3 |
| 4 | Gregoia | tenera | 1 |
| 5 | Gregoia | peregrina | 1 |
| 6 | Gregoia | prunum | 1 |
| 7 | Gregoia | oscilla | 1 |
| 8 | Gregoia | multidentata | 1 |
| 9 | Gregoia | umera | 1 |
| 10 | Gregoia | vitrosphaera | 1 |
| 11 | Gregoia | tonga | 1 |
| 12 | Gregoia | salebrosa | 1 |
| 13 | Gregoia | ramosa | 1 |
| 14 | Gregoia | latilabra | 1 |
| 15 | Gregoia | josephica | 1 |
| 16 | Gregoia | hypsocollis | 1 |
| 17 | Gregoia | eua | 1 |
| 18 | Gregoia | dorsorotunda | 1 |
| 19 | Gregoia | crassilabra | 1 |
| 20 | Gregoia | brami | 1 |
| 21 | Gregoia | barbarabugeae | 1 |
| 22 | Gregoia | ariejansseni | 1 |
| 23 | Gregoia | alta | 1 |
| 24 | Gregoia | albamargarita | 1 |
| 25 | Gregoia | boucheti | 1 |
| 26 | Gregoia | danielleae | 1 |
| 27 | Gregoia | densedentata | 1 |
| 28 | Gregoia | distantia | 1 |
| 29 | Gregoia | formosa | 1 |
| 30 | Gregoia | paenegloba | 1 |
| 31 | Gregoia | petitdevoizei | 1 |
| 32 | Gregoia | vorago | 1 |
| 33 | Gregoia | nuda | 1 |
| 34 | Gregoia | yurikantori | 1 |
| 35 | Gregoia | aemula | 1 |
| 36 | Gregoia | rimatara | 1 |