Michel Laurin, Robert R. Reisz: A new perspective on tetrapod phylogeny. W: Stuart S. Sumida, Karen L. M. Martin (red.): Amniote origins: completing the transition to land. San Diego, Londyn, Boston, Nowy Jork, Sydney, Tokio, Toronto: Academic Press, 1997, s. 9-59. ISBN 0-126-76460-3.
Roberta L. Paton, Tim R. Smithson, Jennifer A. Clack. An amniote-like skeleton from the Early Carboniferous of Scotland. „Nature”. 398, s. 508–513, 1999. DOI: 10.1038/19071. (ang.).
Marcello Ruta, Michael I. Coates, Donald L. J. Quicke. Early tetrapod relationships revisited. „Biological Reviews”. 78 (2), s. 251–345, 2003. DOI: 10.1017/S1464793102006103. (ang.).
Michel Laurin, Robert R. Reisz. A new study of Solenodonsaurus janenschi, and a reconsideration of amniote origins and stegocephalian evolution. „Canadian Journal of Earth Sciences”. 36 (8), s. 1239–1255, 1999. DOI: 10.1139/e99-036. (ang.).
Grégoire Vallin, Michel Laurin. Cranial morphology and affinities of Microbrachis, and a reappraisal of the phylogeny and lifestyle of the first amphibians. „Journal of Vertebrate Paleontology”. 24 (1), s. 56–72, 2004. DOI: 10.1671/5.1. (ang.).
Jason S. Anderson, Robert R. Reisz, Diane Scott, Nadia B. Fröbisch i Stuart S. Sumida. A stem batrachian from the Early Permian of Texas and the origin of frogs and salamanders. „Nature”. 453, s. 515–518, 2008. DOI: 10.1038/nature06865. (ang.).
Robert L. Carroll. The Palaeozoic ancestry of salamanders, frogs and caecilians. „Zoological Journal of the Linnean Society”. 150 (s1), s. 1–140, 2007. DOI: 10.1111/j.1096-3642.2007.00246.x. (ang.).