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. 2018 Nov 21;9:1630. doi: 10.3389/fphys.2018.01630

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Copyright © 2018 Bertin, Thivichon-Prince, LeBlanc, Caldwell and Viriot.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dental features among early amniotes. Cladogram presenting some of the groups of stem or early Amniota. The dental features associated with each group are the assumed ancestral state for the groups or the described states for the genera (in bold). Other states that have been described in the groups are indicated with a smaller font. Implantation = geometry of implantation (S, subthecodonty; T, thecodonty; P, pleurodonty; A, acrodonty; Au, aulacodonty) Attachment = nature of the attachment (A, ankylosis; G, gomphosis) Replacement = number of replacement generation (P, polyphyodont; D, diphyodont; M, monophyodont). From (Romer and Price, 1940; Edmund, 1960, 1969; Ewer, 1965; Dong, 1972; Evans, 1984; Whiteside, 1986; Laurin and Reisz, 1995; Laurin, 1996b; Small, 1997; Rieppel, 2001; Cabreira and Cisneros, 2009; Dyke and Kaiser, 2011; Macdougall and Modesto, 2011; Pretto et al., 2012; LeBlanc and Reisz, 2013, 2015; Benton et al., 2015; Sassoon et al., 2015; de Miguel Chaves et al., 2018).