| The skull of Longisquama (PIN 2584/4).Longisquama insignis skull. A. According to Sharov (1970). B. According to Martin (2004). C. According to Senter (2003). D. According to Peters (2000a). E. Tracing of the plate, skull elements ghosted to clarify palatal and occipital elements. F. Tracing of the plate, palatal and occipital elements omitted for clarity. G. Skull reconstructed, dorsal view; H. Skull reconstructed, lateral view; I. Skull reconstructed, palatal view. J. Fused occipital bones. These interpretations correct earlier mistakes by Peters (2000a). Abbreviations: Bs, basipterygoid process of the basisphenoid; De, dentary; Ep, ectopalatine (ectopterygoid + palatine); Fr, frontal; Hy, hyoid; Ju, jugal; La, lacrimal; Mx, maxilla; Na, nasal; Oc, occiput; Par, parietal; Pmx, premaxilla; Po, postorbital; Pof, postfrontal; Prf, prefrontal; Pt, pterygoid; Qj, quadratojugal; Qu, quadrate; ScR, sclerotic ring; Sq, squamosal; Vo, vomer. |
