Skull roof of Acamptonectes densus (GLAHM 132588, holotype).

A: articulated nasals in dorsal view. B: left nasal in lateral view. C: right supratemporal in dorsal view. D–F: supraoccipital magnified two times with respect to the other bones, in posterior view (D) and in left anterolateral (otic) view (E,F). Note the lateral wing of the nasal forming an overhang on the naris, the narial process of the nasal, the long and straight squamosal facet of the supratemporal, and the weakly arched shape of the supraoccipital. Abbreviations: avsc: impression of the anterior vertical semicircular canal; pvsc: impression of the posterior vertical semicircular canal; ut: utriculus. Date 2012 Source http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0029234 Author Valentin Fischer1,2*, Michael W. Maisch¤a, Darren Naish3,4, Ralf Kosma5, Jeff Liston6¤b, Ulrich Joger5, Fritz J. Krüger5, Judith Pardo Pérez7, Jessica Tainsh6, Robert M. Appleby† Permission
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