| Type | PARATYPES |
| Catalogue # | OSUM 6492 |
| Type locality | Bantayan Island, Philippines |
| Collector(s) | R.C. McGregor |
| Date collected | prior to 1909 |
| 12 | 3 dry |
| Description | Proceedings of the US National Museum 37: 295 |
| Remarks | |
| Current status | Helicostyla worcesteri (Bartsch, 1909) |