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Convergent evolution and possible constraint in the posterodorsal retraction of the external nares in pelagic crocodylomorphs
(Wiley Blackwell Publishing, Inc, 2020-06)
Amongst Mesozoic marine reptiles, metriorhynchid crocodylomorphs were unique in evolving into pelagically adapted forms with little-to-no posterodorsal retraction of the external nares. Narial retraction is a common ...