van der Bijl, A. N. (1993). Landsnail types origination from the Scheepmaker Collection.Papustula, 7(6), 9-13.
Botosaneanu, L., & Alkins-Koo, M. (1993). The Caddis Flies (Insecta: Trichoptera) of Trinidad and Tobago, West Indies.Bull. K.B.I.N. (I.R.S.N.B.), Entomologie, (63), 5-45.
Botosaneanu, L., Zulialana, P., & Viloria, A. L. (1993). Zulialana coalescens gen. et spec. nov., a stygobitic cirolanid (Isopoda, Cirolanidae) from a cave in northwestern Venezuela.Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, (63), 159-173.
Dijkstra, H. H. (1993). Les Pectinidae de Nouvelle-Calédonie / The Pectinidae of new Caledonia. 31. Chlamys irregularis (Sowerby II, 1842).Rossiniana, (58), 8-9.
Dijkstra, H. H. (1993). Les Pectinidae de Nouvelle-Calédonie / The Pectinidae of New Caledonia. 30. Mimachlamys senatoria (Gmelin, 1791). Rossiniana, (57), 13-15.
Hazevoet, C. J. (1993). Aves de Cabo Verde. Birdlife International, 1-32.
Hoenselaar, H. J., & Moolenbeek, R. G. (1993). A new Macromphalus species from the Banc d'Arquin, Mauritania (Gastropoda, Vanikoridae).Bollettiono Malacologico, 29(9-12), 223-226.
Dorgelo, J. (1993). Saline Lakes [Review of: S.H. Hurlbert (1993) Salines lakes]. In S. H. Hurlbert (Ed.), Unknown Kluwer Academic Publ..
Wattel, J. (1993). Handbook of Birds of the world. [Review of: o onbekend (1993) Handbook of Birds of the World.]. In O. onbekend (Ed.), Unknown onbekend.
Wattel, J. (1993). Conservation for the twenty-first century. [Review of: M. Pearl (1993) Conservation for the twenty-first century.]. In M. Pearl, & D. Western (Eds.), Unknown onbekend.