Akpan E. B. 1980. Resin impregnation and casting of microbial borings on molluscan shell. Jour. Glasg. Univ. Geol. Soc. Vol. 7 31-33.
Akpan E. B; Farrow G. E. and Morris: N. 1982. Limpet grazing on Cretaeous algal-bored ammonites. Paleontology Vol. 46.361-357.
Akpan E. B. 1984. Significance of algal borings and Acmeae grazing traces on molluscan shells from Ardyne (w. Scotland) postGlacial sediments. Palaeoclimatology; palaeoecology palaeogeography vol. 47: 233-244.
Akpan E. B. and Farrow, G. E. 1981, Depth of deposition of Early Holocene raised sediments at Irvine deduced from algal borings in molluscan shells, Scott, Jour. Geol. Vol. 20 237-247
Farrow, G. E. Allen M. M. and Akpan E. B. 1984. Bioclasticcarbonate sedimentation on a high-latitude, tide dominated Northeast Orkney shelf Islands, Scotland. J. Sed. Petrol. Vol. 54.373 -393
Akpan E. B. and Farrow, G. E. 1984, Shell boring algae on the Scottish continental shelf; identification, distribution, bathymetric zonation and palaecoecological importance. Trans. Roy Soc. Edinburgh. Vol 75, 1-12
Akpan E. B. 1984, The distribution and significance of trace fossils in Cenomanian-Turonian rocks of the Calabar flank, SE Nigeria (Abs) 20th Annual Conf. N. M. G. S. p. 8 Nsukka.
Akpan E. B. and Farrow, G. E. 1985. Shell bioerosion in highlatitude low energy environments; Firth of Clyde and Lorne. Scotland. Marine Geology vol. 67, 139-150
Akpan E. B. 1985, lchnology of the Cenomanian-Turonian of the Calabar Flank, Nigeria, Geology Mijnbouw; vol. 64 365-372 4 | P a g e
Akpan E. B. & Ramanthan, Rm, 1985. A report of Hemiaster fourneli from the Upper Cretaceous of the Calabar Flank SE Nigeria. Nig Jour., Sci. Tech vol. 3,55-60
Akpan E. B. 1986. Depth distribution of endolithic algae from the firth of Clyde: implications for delineation and subdivision of the photic zone Journal of Marine Biological Association of the United Kingdom vol. 66-269-275.
Akpan E. B. & Nyong E. E. 1987, Trace fossil assemblages and environment of deposition of Turonian calcareous sandstone.; Benue Trough, Nigeria. Journal of Africa Earth sciences vol. 6. 185– 190
Nyong E. E. and Akpan E. B. 1987, Storm generated deposits in the Cretaceous of the Calabar Flank, SE, Nigeria. in Current Research in African Earth Science, Mathesis & Schlandemair (Eds), Belkama pub. Netherlands p. 151 154.
Akpan E. B. 1988 Occurrence and ecology of Etheria elliptical in the Cross River SE, Nigeria. Journal of Science Association of Nigeria vol. 22. 89-90
Akpan E. B. 1987 and Ekwere S. J. (1988) predatory drilling on oyster from the mangrove swamp, SE Nigeria. Tropical Journal of Applied Sciences. Vol 3, 1-8.
Akpan E. B. 1990. Trace fossils and depositional environment of the Mfamosing Limestone, SE, Nigeria. The Benue Trough Structure and Evolution (edited by C. O. Ofeogbu) Friedr, Vieweg & Sohn. P. 271 286.
Akpan E. B. 1990. Bioerosion of oyster shells in brackish modern mangrove swamp, Nigeria. lchnos vol. 1, 125-132.
Akpan E. B. 1991, Palaeoecological significance of Lithophaga borings in Albian stromatolites, SE, Nigeria, Palaeogeo, Palaeoclim, Palaeoecol, Vol. 88, 185-192.
Akpan E. B. 1992, Peruviella dolium (Romer) and the age of mfamosing Limestone, SE, Nigeria. Journal of Min, Geol, Vol, 2,191 -194.
Ekwere, S. J. Akpan E. B. and Ntekim, E. E. U. 1993 Geochemical studies of Qua Iboe Estuary and associated creek sediments, SE Nigeria, Tropical Journal of Applied Sciences vol. 2, 90-94
Ekwere, S. J. Esu, Esu, E. o. Okereke C. S.: and Akpan E. B. 1993, Evaluation of Obotme Limestone (SE Nigeria) for Portland Cement Manufacture. Nig. Journ. Min. Geol. Vol. 30 145-150.
Akpan E. B. 1987, Faunal evidence of an exaerobic Merine condition in the Cenomanian sediments of south eastern Nigeria, Nig Journal Min Geol. Vol. 32. 72-75.
Petters, S. W. Nyong, Akpan E. B. & Essien, N. U. (1997) Lithostratigraphic Revision of the Calabar Flank.
Akpan E. B. & Ntekim E. U, 2004, Cretaceous bivalves and palaeoenvironments of the Calabar Flank, Nigeria, Global Joum, Applied Sciences, Vol. 2, 15-36
Akpan E. B. 2008, Invertebrate encrustation on the mangrove swamp oyster and their implication for symbiotic association: Example from SE Nigeria Global Journal of Geological Science vol.6, 23-26
Itam, A. E. Inyang, D. O, Akpan, E. B. 2017. Quantitative analysis of palynomarphy from Neogene deposits in Calabar flank implication for palaeco environmental interpretation. Annual Research and Review in Biology Vol. 21, 1-11
Itam, A. E. Inyang, D. O, Akpan, E. B. 2016. Palynostratigraphy of Lemna Road Transect of Benin Formation, Calabar Flank, Nigeria. Asian Journal of Physical and Chemical Science Vol. 1, 1-