Lapolla, J.S. & Barden, P. 2018. Out of the Paleocene: An Ant (Hymenoptera: Formicidae) Fossil from the Paskapoo Formation. Acta Palaeontologica Polonica 63: 435-440 [pdf] [link]

Grimaldi, D.A., Sunderland, D. Aaroe, G.A., Depsky, M.R., Parker, N.E. Tillery, G.Q., White, J.G., Barden, P., Nascimbene, P.C., & Williams, C.J. 2018. Biological inclusions in amber from the Paleogene Chickaloon Formation of Alaska. American Museum Novitates 3908: 1-37. [pdf] [link]

Katzke J., Barden P., Dehon M., Michez D., Wappler T. 2018 Giant ants and their shape: revealing relationships in the genus Titanomyrma with geometric morphometrics. PeerJ 6:e424 1-36. [pdf] [link]

Barden, P., Boudinot, B.E. & Lucky, A. 2017. Where fossils dare and males matter: combined morphological and molecular analysis illuminates the tangled history of the spider ant genus Leptomyrmex Mayr (Hymenoptera: Dolichoderinae). Invertebrate Systematics 31: 785-780. [pdf] [link]

Barden, P. & Ware, J.L. 2017. Relevant Relicts: the impact of fossil distributions on biogeographic reconstruction in ants and dragonflies. Insect Sytematics and Diversity 1: 73-80. [pdf] [link]

Barden, P., Herhold, H.W. & Grimaldi, D.A. 2017. A New Genus of Hell Ants from the Cretaceous (Hymenoptera: Formicidae: Haidomyrmecini) with a Novel Head Structure. Systematic Entomology 42: 837-846. [pdf] [link]

Barden, P. 2017. Fossil ants (Hymenoptera: Formicidae): ancient diversity and the rise of modern lineages. Myrmecological News 14: 1-30 [pdf] [link]

Barden, P. & Grimaldi, D.A. 2016. Adaptive radiation in socially advanced stem-group ants from the Cretaceous. Current Biology 26(4): 515-521 [Cover Article with #9] [pdf] [link]


Engel, M.S., Barden, P., Riccio, M. & Grimaldi, D.A. 2016. Morphologically Specialized Termite Castes and Advanced Sociality in the Early Cretaceous. Current Biology 26(4): 522-530 [pdf] [link]

Ware, J.L. & Barden, P. 2016. Incorporating fossils into hypotheses of insect phylogeny. Current Opinion in Insect Science 18: 69-76. [Equal first authors] [pdf] [link]

Grimaldi, D.A. & Barden, P. 2016. The Mesozoic family Eremochaetidae (Diptera: Brachycera) in Burmese amber and relationships of Archisargoidea. American Museum Novitates 3865: 1-29 [pdf] [link]


Arillo, A., Grimaldi, D., Peñalver, E., Pérez-de la Fuente, R., Delclòs, X., Criscione, J., Barden, P., & Riccio, M. 2015. Long-proboscid Brachyceran flies in Cretaceous amber (Diptera: Stratiomyomorpha: Zhangsolvidae). Systematic Entomology 40(1): 242-267 [pdf] [link]

Barden, P. & Grimaldi, D. 2014. A diverse ant fauna from the mid-Cretaceous of Myanmar (Hymenoptera: Formicidae). PLoS One 9(4): e93627 [pdf] [link]


Payne, A., Barden, P., Wheeler, W. & Carpenter, J.M. 2013. Direct optimization, sensitivity analysis, and the evolution of the hymenopteran superfamilies. American Museum Novitates 3789: 1-20 [pdf] [link]

Barden, P. & Grimaldi, D. 2013. A new genus of highly specialized ants in Cretaceous Burmese amber (Hymenoptera: Formicidae). Zootaxa 3681(4): 405-412 [pdf] [link]

Barden, P. & Grimaldi, D. 2012. Rediscovery of the bizarre Cretaceous ant Haidomyrmex Dlussky (Hymenoptera: Formicidae). American Museum Novitates 3755: 1-16 [pdf] [link]

Holbrook, C.T., Barden, P.M. & Fewell, J.H. 2011. Division of labor increases with colony size in the harvester ant Pogonomyrmex californicus. Behavioral Ecology 22(5): 960-966 [pdf] [link]