Estimating the evolutionary rates in mosasauroids and plesiosaurs: discussion of niche occupation in Late Cretaceous seas

Observations of temporal overlap of niche occupation among Late Cretaceous marine amniotes FX829 suggest that the rise and diversification of mosasauroid squamates might have been influenced by competition with or disappearance of some plesiosaur taxa.We discuss that hypothesis through comparisons of the rates of morphological evolution of mosasaur

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