Fossil brains provide evidence of underwater feeding in early seals

Jones, K. E., Smaers, J. B. & Goswami, A. Impact of the terrestrial-aquatic transition on disparity and rates of evolution in the carnivoran skull. BMC Evol. Biol. 15, 8 (2015).

PubMed 
PubMed Central 

Google Scholar 

Kienle, S. S. & Berta, A. The evolution of feeding strategies in phocid seals (Pinnipedia, Phocidae). J. Vertebr. Paleontol. 38, 6 (2018).

Google Scholar 

Hocking, D.P. et al. Clawed forelimbs allow northern seals to eat like their ancient ancestors. R. Soc. Οpen Sci. 5, 5172393172393 (2018).