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Microview reconstructions of the skulls of Meriones unguiculatus, Desmodillus auricularis, Gerbillurus setzeri, Jaculus orientalis, Macroscelides flavicaudatus and Elephantulus rupestris, seen to scale in the ventral view. In each case, the approximate extent of the right auditory bulla (including middle ear cavities and bony external meatus) is shaded in red. Scale bar: 10 mm.
