| Rhynchodemus angustus (Hyman, 1941) | Nov 1949 |  |  | 4 specimens collected by Eric Graeta at Cerro Punto, Province of Chiriqui, Panama at 2000 m atltitude. | 
| Gigantea bistriata (Hyman, 1962) | Mar 8, 1959 |  |  | three specimens were sent by Alan Solem, who colllected two 1 mile below Cerno Punta, Chiriqui at 5900 feet. | 
| Geoplana fusca Hyman, 1962 | Mar 8, 1959 |  |  | single specimen collected by Alan Solem at 5500 feet in elevation, 2 miles below Cerro Punta, Chiriqui, Panama. | 
| Rhynchodemus angustus (Hyman, 1941) | Mar 1959 |  |  | 1 mile below Cerro Punta, Chiriqui, two worms. | 
| Rhynchodemus angustus (Hyman, 1941) | Mar 1959 |  |  | 2 mile below Cerro Punta, Chiriqui, one worm. | 
| Rhynchodemus angustus (Hyman, 1941) | Mar 1959 |  |  | 1 mile above Cerro Punta, Chiriqui, three worms. | 
| Rhynchodemus angustus (Hyman, 1941) | Mar 1959 |  |  | 2 miles above Cerro Punta, Chiriqui, three worms. |