Echinoids from the Tesero Member (Werfen Formation) of the Dolomites (Italy): implications for extinction and survival of echinoids in the aftermath of the end-Permian mass extinct... by Jeffrey R. Thompson, Renato Posenato, David J. Bottjer, Elizabeth Petsios

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Quantifying the effects of exceptional fossil preservation on the global availability of phylogenetic data in deep time by C. Henrik Woolley, David J. Bottjer, Frank A. Corsetti, Nathan D. Smith

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Homology and Potential Cellular and Molecular Mechanisms for the Development of Unique Feather Morphologies in Early Birds by David J. Bottjer, Hailu You, Cheng-ming Chuong, Luis M. Chiappe, Jingmai K. O’Connor

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Mercury anomalies and the timing of biotic recovery following the end-Triassic mass extinction by Alyson M. Thibodeau, Kathleen Ritterbush, Joyce A. Yager, A. Joshua West, Yadira Ibarra, David J. Bottjer, William M. Berelson, Bridget A. Bergquist, Frank A. Corsetti

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A new stem group echinoid from the Triassic of China leads to a revised macroevolutionary history of echinoids during the end-Permian mass extinction by Jeffrey R. Thompson, Shi-xue Hu, Qi-Yue Zhang, Elizabeth Petsios, Laura J. Cotton, Jin-Yuan Huang, Chang-yong Zhou, Wen Wen, David J. Bottjer

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Intensified continental chemical weathering and carbon-cycle perturbations linked to volcanism during the Triassic–Jurassic transition by Jun Shen, Runsheng Yin, Shuang Zhang, Thomas J. Algeo, David J. Bottjer, Jianxin Yu, Guozhen Xu, Donald Penman, Yongdong Wang, Liqin Li, Xiao Shi, Noah J. Planavsky, Qinglai Feng, Shucheng Xie

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