Sergio Vargas, Hector M. Guzmán and Odalisca Breedy. 2008. Distribution patterns of the genus Pacifigorgia (Octocorallia: Gorgoniidae): track compatibility analysis and parsimony analysis of endemicity. Journal of Biogeography (J. Biogeogr.) 35, 241–247
Guzmán, H.M., R. Cipriani & J.B.C. Jackson. 2008. Historical decline in coral reef growth after the Panama Canal. Ambio 37: 342-346.
Guzmán, H.M. & O. Breddy. 2008. Leptogorgia christiae (Octocorallia: Gorgoniidae) a new shallow water gorgonian from Pacific Panama. J. Mar. Biol. Ass. UK. 88: 719-722.
Breedy, O. & H.M. Guzmán. 2008. Leptogorgia ignita, a new shallow-water coral species (Octocorallia: Gorgoniidae) from the tropical eastern Pacific. J. Mar. Biol. Ass. UK. 88: 893-899.
Carpenter, K.E., S.R. Livingstone, M. Abrar, G. Aeby, R.B. Aronson, S. Banks, A. Bruckner, A. Chiriboga, J. Cortés, J.C. Delbeek, L. DeVantier, G. Edgar, A.J. Edwards, D. Fenner, H.M. Guzmán, Bert W. Hoeksema, G. Hodgson, O. Johan, W.Y. Licuanan, E.R. Lovell, J.A. Moore, D.O. Obura, D. Ochavillo, B.A. Polidoro, W.F. Precht, M.C. Quibilan, C. Reboton, Z.T. Richards, A.D. Rogers, J. Sanciangco, A. Sheppard, C. Sheppard, J. Smith, S. Stuart, E. Turak, J.E.N. Veron, C. Wallace, E. Weil, & E. Wood. 2008. One third of reef-building corals face elevated extinction risk from climate change and local impacts. Science 231: 560-563.
Guzmán, H.M., S. Benfield, O. Breedy & J.M. Mair. 2008. Broadening reef conservation across the Tropical Eastern Pacific Seascape: Distribution and diversity of reefs in Las Perlas Archipelago, Panama. Environm. Conserv. 35: 1-9.
Ramos, R., R. Cipriani, H.M. Guzmán & E. García. 2009. Chronology of Mercury Enrichment Factors in Reef Corals from Western Venezuela. Mar. Pollut. Bull. 58: 222-229.
Oviedo, L., H.M. Guzmán, L. Florez-González, J. Capella Alzueta & J.M. Mair. 2008. The Song of the Southeast Pacific Humpback Whale (Megaptera novaeangliae) off Las Perlas Archipelago, Panama: Preliminary Characterization. Aquatic Mammals. 34: 458-463.
Rodriguez, S. A. Croquer, H.M. Guzmán & C. Bastidas. 2009. A mechanism of transmission and factors affecting coral susceptibility to Halofolliculina sp. infection. Coral Reefs 28: 67-77.
Barrios, L.M., S.J. Chambers, N. Ismail, H.M. Guzmán & J.M. Mair. 2009. Distribution of Idanthyrsus cretus (Polychaeta: Sabellariidae) in the Tropical Eastern Pacific and application of PCR-RAPD for population analysis. Zoosymposia 2: 487-503.
