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. 2016 Oct 6;(622):129–164. doi: 10.3897/zookeys.622.9939

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Mohsen Rezaie-Atagholipour, Parviz Ghezellou, Majid Askari Hesni, Seyyed Mohammad Hashem Dakhteh, Hooman Ahmadian, Nicolas Vidal

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Figure 3. — Rostrals and mentals of sea snakes of the genus Hydrophis in the Persian Gulf and Gulf of Oman: a tip of rostral decurved, pointed and beaked shaped, mental narrow, elongate and dagger-shaped (Hydrophis schistosus) b and c tip of rostral markedly tridentate, mental short and triangulate (Hydrophis viperinus and Hydrophis curtus, respectively) d tip of rostral markedly unidentate, mental short and triangulate (Hydrophis ornatus) e–h tip of rostral slightly unidentate, mental short and triangulate (Hydrophis ornatus, Hydrophis spiralis, Hydrophis cyanocinctus and Hydrophis platurus, respectively).