Iterative Evolution of Sympatric Seacow (Dugongidae, Sirenia) Assemblages during the Past ∼26 Million Years Velez-Juarbe, Jorge ; Domning, Daryl P. ; Pyenson, Nicholas D. Abstract Publication: PLoS ONE Pub Date: February 2012 DOI: 10.1371/journal.pone.0031294 Bibcode: 2012PLoSO...731294V