Teugels 1991
Guinea Bissau - Guinea. April 1991.
| 1 km Ncessé train station to Dolisie, Congo | A.escherichi |
| 1 km upstream Divenda Falls, Congo | A.escherichi |
| Near Youmbi, Lac Youmbi, Congo | |
| 3 km Kola, Bondo river, trib. L. Yangala, Congo | |
| Mouela river, trib. Loundji & L. Nanga, Congo | |
| Ndyarendi, Togon drainage | |
| Nguelodi River, tributary of Kogon River |