Vertebral architecture in the earliest stem tetrapods

Publication information:

Pierce, S.E., P.E. Ahlberg, J.L. Molnar, S. Sanchez, P. Tafforeau, J.R. Hutchinson, and J.A. Clack. “Vertebral Architecture in the Earliest Stem Tetrapods”. Nature 494 (2013): 226-29.