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The earliest illustration of the quadrate-metapterygoid fenestra (marked with yellow asterisk) in the hyopalatine arch of the South American characiform Serrasalmus rhombeus. Illustration from Rosenthal (1816). |
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| Part of: Britz R, Mattox GMT, Conway KW (2023) The quadrate-metapterygoid fenestra of otophysan fishes, its development and homology. Vertebrate Zoology 73: 35-55. https://doi.org/10.3897/vz.73.e97922 |