| | | Kind of type | Full locality |
| | | holotype of species Metasinella (Sulcuncus) borincana Mari Mutt & Gruia, 1983 | Caribbean, Puerto Rico: Mona Island, Cueva Doña Geña, on bat guano and soil with roots |
| | | paratype of species Metasinella (Sulcuncus) borincana Mari Mutt & Gruia, 1983 | Mona Island, Cueva Doña Geña, on bat guano and soil with roots |
| | | paratype of species Metasinella (Sulcuncus) borincana Mari Mutt & Gruia, 1983 | Caribbean, Puerto Rico: Guánica Commonwealth Forest, leaflitter |