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. 2019 Apr 11;7:e6615. doi: 10.7717/peerj.6615

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©2019 Reisz

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.

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Arisierpeton simplex, holotype specimen GAA 00225-1. The right premaxilla in seven views (from left to right), (A) anterior surface showing premaxillary foramina; (B) partial labial or lateral view; (C) posterior view; (D) occlusal or ventral view; (E) dorsal view: (F) lingual view: (G) laterodorsal showing sutural surface with the maxilla. Arrow points to posterodorsal foramen.