Forefin of Acamptonectes densus.

A–D: right humerus of NBM1284-R, in dorsal view (A), proximal view (B), distal view (C), and posterior view (D). E,F: right humerus of GLAHM 132588 (holotype), in ventral view with the associated ulna (E) and in distal view (F). The arrow points at the concave and edge-like posterior surface of the ulna, diagnostic of ophthalmosaurine ophthalmosaurs. G: proximal phalange of GLAHM 132588 (holotype). Abbreviations: aae facet: facet for the anterior accessory element; dpc: deltopectoral crest; td: trochanter dorsalis. Date 2012 Source http://journals.plos.org/plosone/article?id=10.1371/journal.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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