Laurin, M. (2004): The Evolution of Body Size, Cope's Rule and the Origin of Amniotes. Systematic Biology no 53 (4): pp 594-622. doi10.1080/10635150490445706article
oxfordjournals.org
sysbio.oxfordjournals.org
Laurin, M. (2004): The Evolution of Body Size, Cope's Rule and the Origin of Amniotes. Systematic Biology no 53 (4): pp 594-622. doi10.1080/10635150490445706article
uchicago.edu
pondside.uchicago.edu
Ruta, M.; Coates, M.I. & Quicke, D.L.J. (2003): Early tetrapod relationships revisited. Biological Review no 78: pp 251-345.PDFArchivado el 22 de mayo de 2008 en Wayback Machine.
web.archive.org
Ruta, M.; Coates, M.I. & Quicke, D.L.J. (2003): Early tetrapod relationships revisited. Biological Review no 78: pp 251-345.PDFArchivado el 22 de mayo de 2008 en Wayback Machine.