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Skulls used for craniometry analyses. Twenty-one specimens (10 Berardius bairdii, seven B. arnuxii, and four B. minimus).
Specimens are stored at National Museum of Nature and Science (NMNS), United States National Museum of Natural History (USNMH), Natural history Museum of London (BMNH), le Museum National d’Histoire Naturelle (MNHN), and Museo Acatushún (MA). Items with * were used for multivariate analysis.
