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. 2013 Sep 30;8(9):e76202. doi: 10.1371/journal.pone.0076202

Figure 3. Neurocrania of fossil and modern Brachyplatystoma .

Figure 3

A-C. Dorsal views, A. fossil † Brachyplatystoma cf. vaillantii, UNEFM-PF-500; B. line drawing of modern B . vaillantii with superimposed shaded approximation of fossil specimen, C. modern B . vaillantii . D-F. Ventral views of same. Abbreviations: ACF – anterior cranial fontanelle; BOC – basioccipital; EL – lateral ethmoid; EX – extrascapular; EXO – exoccipital; FRO – frontal; HYA – hyomandibular bone articulation site; JFSO – frontal-supraoccipital joint; JFSP – frontal-sphenotic joint; JPB – parasphenoid-basioccipital joint; JSPO – sphenotic-pterotic joint; MES – mesethmoid; OS – orbitosphenoid; OTA – articulation site of ossified transscapular ligament; OWL – otic capsule anterior wall; PSP – parasphenoid; PTO – pterotic; PTS – pterosphenoid; SPH – sphenotic; SOC – supraoccipital; SOCP – supraoccipital process; UTC – utricular chamber.