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Prehistoric sirenians had overlapping ranges, unlike modern sirenians

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Prehistoric sirenians had overlapping ranges, unlike modern sirenians Empty Prehistoric sirenians had overlapping ranges, unlike modern sirenians




Manatees and dugongs today have ranges that don't overlap. But their ancestors were frequently sympatric; that is, there was a level of diversity in manatees and dugongs within a given ecosystem.

Velez-Juarbe, J., Domning, D.P., & Pyenson, N.D. (2012) Iterative evolution of sympatric seacow (Dugongidae, Sirenia) assemblages during the past ∼26 million years. PLoS ONE. 7(2): e31294. doi:10.1371/journal.pone.0031294
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