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The Comparative Osteology of the Petrotympanic Complex (Ear Region) of Extant Baleen Whales (Cetacea: Mysticeti)
Figure 20
Right tympanic bulla of Balaenoptera musculus (NSMT 25902).
A. ventral, B. dorsal, C. medial and D. lateral views. Scale bar = 2 cm.
doi: https://doi.org/10.1371/journal.pone.0021311.g020