| Type | PARATYPES |
| Catalogue # | OSUM 6479 |
| Type locality | Salto del Paso Tinaja, about 1.5 km. from the north entrance to the pass, Cuba |
| Collector(s) | P. Bartsch |
| Date collected | 1928 |
| # Specimens | 12 dry |
| Description | Proceedings of the US National Museum 89: 177 |
| Remarks | |
| Current status | Opisthosiphon obturatum sulcosum Torre & Bartsch, 1941 |