Fischer, Valentin W. Maisch, Michael Naish, Darren Kosma, Ralf Liston, Jeff Joger, Ulrich J. Krüger, Fritz Pardo Pérez, Judith Tainsh, Jessica M. Appleby, Robert Basioccipital and humerus of cf. <i>Ophthalmosaurus</i> from the lower sandstone member of the Spilsby Formation. <p>A,B: basioccipital (LEICT G3.2001.001), in anterodorsal view (A) and posteroventral view (B). The basioccipital is sheared flat, giving the impression of a ‘Liassic-grade’ basioccipital. C,D: left humerus (LEICT G1.2001.016), in dorsal view (C) and ventral view (D). Abbreviation: aae facet: facet for the anterior accessory element; dpc: deltopectoral crest; eca: extracondylar area; exf: exoccipital fact; fm: median concavity for the foramen magnum.</p> humerus;sandstone;spilsby 2012-01-03
    https://plos.figshare.com/articles/figure/_Basioccipital_and_humerus_of_cf_Ophthalmosaurus_from_the_lower_sandstone_member_of_the_Spilsby_Formation_/369407
10.1371/journal.pone.0029234.g012