D. Atta-Peters, and M.B. Salami. 2006. Aptian-Maastrichtian palynomorphs from the offshore Tano Basin, western Ghana. Journal of African Earth Sciences 43:379-394
P. R. Racheboeuf, A. J. Boucot, and J. M. Saul. 1989. A Lower Carboniferous brachiopod fauna from the Sekondi area, coastal Ghana. Neues Jahrbuch fuer Geologie und Palaeontologie 1989(4):223-232