Powell
1980
| A.bitaeniatum | Near Calabar |
1983
| A.bitaeniatum | 3 km South of Aking, Oban Hills |
1986
| A.bitaeniatum | Rumuji, New Calabra River |
1988
| A.bitaeniatum | 3 km S. Isiokpo, New Calabar Bas. |
1992
| A.bitaeniatum | Akoada bridge, Sombrero River |
| A.bitaeniatum | Powei Creek, Mum Bas. |