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Fig. 67. Phytosaur skull: Mystriosuchus. pm, premaxilla; m, maxilla; na, nasal; f, frontal; p, prefrontal; l, lacrimal; pf, postfrontal; po, postorbital; pa, parietal; sq, squamosal; qj, quadratojugal; pl, palatine; t, transverse; in, internal nares; en, external nares; pt, pterygoid; bs, basisphenoid; eo, exoccipital. After McGregor.
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