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Symplectic-quadrate complex in †Aspidorhynchus acutirostris. (a) Photograph and (b) line drawing of JME 1997.III.6. (c) Photograph and (d) line drawing of SNSB-BSPG 1964.XXIII.542. Abbreviations: q, quadrate; sy, symplectic. Scale bars, 1 mm.
