A. O’Dea, H. A. Lessios, A. G. Coates, R. I. Eytan, S. A. Restrepo-Moreno, A. L. Cione, L. S. Collins, A. de Queiroz, D. W. Farris, R. D. Norris, R. F. Stallard, M. O. Woodburne, O. Aguilera, M.-P. Aubry, W. A. Berggren, A. F. Budd, M. A. Cozzuol, S. E. Coppard, H. Duque-Caro, S. Finnegan, G. M. Gasparini, E. L. Grossman, K. G. Johnson, L. D. Keigwin, N. Knowlton, E. G. Leigh, J. S. Leonard-Pingel, P. B. Marko, N. D. Pyenson, P. G. Rachello-Dolmen, E. Soibelzon, L. Soibelzon, J. A. Todd, G. J. Vermeij, J. B. C. Jackson, 2017. Building bridges. Response to Erkens and Hoorn: “The Panama Isthmus, ‘old’, ‘young’ or both?”. Science Advances, http://advances.sciencemag.org/content/2/8/e1600883/tab-e-letters [Letter].

S. A. Balaguera-Reina, M. Venegas-Anaya, O. I. Sanjur, H. A. Lessios, L. D. Densmore. 2015. Reproductive Ecology and Hatchlings' Growth Rates of American Crocodile (Crocodylus acutus) on Coiba Island, Panama. South American Journal of Herpetology 10:10-22

Q. Jossart, L. B. Geyer, and H.A. Lessios. 2015b. Characterization of eight microsatellite loci for the sea-urchin Meoma ventricosa (Spatangoida, Brissidae) through Next Generation Sequencing. Biochemical Systematics and Ecology 59:100-103

H.A. Lessios and N. Knowlton. 2015. Middle Miocene closure of the Central American Seaway. Science http://comments.sciencemag.org/content/10.1126/science.aaa2815 [Comment]

C.J. Moura, R.S Santos, H. Lessios, A Collins. 2015. Large-scale DNA barcoding of marine hydroids of the superfamily Plumularioidea (Cnidaria: Hydrozoa). Genome, 58, 259 [Abstract]

K. S. Zigler, M. Byrne, E. C. Raff, H. A. Lessios, and R.A. Raff. 2012. Natural hybridization in the sea urchin genus Pseudoboletia between species without apparent barriers to gamete recognition. Evolution. 66: (6) 1695-1708. DOI: 10.1111/j.1558-5646.2012.01609.x

S. E. Coppard, K. S. Zigler, and H. A. Lessios. 2013 Phylogeography of the sand dollar genus Mellita: cryptic speciation along the coasts of the Americas. Molecular Phylogenetics and Evolution. 69:1033-1042.

Lessios, Harilaos A. 2013. Natural population density fluctuations of Echinoids. Do they help predict the future?. , : 341-359.

Lessios, Harilaos A. 2015. Appearance of an early closure of the Isthmus of Panama is the product of biased inclusion of data in the metaanalysis. Proceedings of the National Academy of Sciences of the United States of America, 112(43) http://dx.doi.org/10.1073/pnas.1514719112