Andrefouet, Serge, Guzmán, Héctor M., "Coral reef distribution, status and geomorphology–biodiversity relationship in Kuna Yala (San Blas) archipelago, Caribbean Panama", Coral Reefs, vol. 24, no. 1, pp. 31-42, 2005
Lindner, Alberto, Cairns, Stephen D., Guzmán, Héctor M., "Distichopora robusta sp. nov., the first shallow-water stylasterid (Cnidaria: Hydrozoa: Stylasteridae) from the tropical eastern Pacific", Journal of the Marine Biological Association of the United Kingdom, vol. 84, no. 6, pp. 943-947, 2004.
Guzmán, Héctor M., Guevara, Carlos A., Breedy, Odalisca, "Distribution, diversity, and conservation of coral reefs and coral communities in the largest marine protected area of Pacific Panama (Coiba Island)", Environmental Conservation, vol. 3, no. 2, pp. 111-121, 2004.
Gutierrez, Marcelino V., Capson, Todd L., Guzmán, Héctor M., Quinoa, Emilio, Riguera, Ricardo, "L-Galactose as a natural product: isolation from a marine octocoral of the first a-L-galactosyl saponin", Tetrahedron Letters, vol. 45, no. 42, pp. 7833-7836, 2004.
Breedy, Odalisca, Guzmán, Héctor M., "New species of the gorgoniian genus Pacifigorgia (Coelenterata: Octocorallia: Gorgoniidae) from Pacific Panama", Zootaxa, vol. 541, pp. 1-15, 2004
Guzmán, Héctor M., Tewfik, Alexander, "Population characteristics and co-occurrence of three exploited decapods (Panulirus argus, P. guttatus, Mithrax spinosissimus) in Bocas del Toro, Panama", Journal of Shellfish Research, vol. 23, pp. 575-580, 2004.
Villamizar, E., Guzmán, Héctor M., Rodriguez, J., Estevez, A., "Gradiente de recuperación de los arrecifes coralinos del Parque Nacional Morrocoy", Resumenes del V Congreso Venezolano de Ecología, Isla Margarita, Venezuela, 2003.
Guzmán, Héctor M., Guevara, Carlos A., Castillo, Arcadio, "Natural disturbances and mining of Panamanian coral reefs by indigenous people", Conservation Biology, vol. 17, no. 5, pp. 1396-1401, 2003.
Guzmán, Héctor M., Guevara, Carlos A., Hernandez, Ileana C., "Reproductive cycle of two commercial species of sea cucumber (Echinodermata: Holothuroidea) from Caribbean Panama", Marine Biology, vol. 142, no. 2, pp. 271–279, 2003.
Breedy, Odalisca, Guzmán, Héctor M., "A new species of Pacifigorgia (Coelenterata: Octocorallia: Gorgoniidae) from Panamá", Zootaxa, vol. 128, no. 1, pp. 1-10, 2003
