Published May 14, 2014 | Version v1
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Figure 3 from: Slater G, Scheel D, Kolokotronis S, Potter C, Rotstein D, Tsangaras K, Greenwood A, Helgen K (2014) Biogeography and taxonomy of extinct and endangered monk seals illuminated by ancient DNA and skull morphology. ZooKeys 409: 1-33. https://doi.org/10.3897/zookeys.409.6244

  • 1. Leibniz Institute for Zoo and Wildlife Research, Berlin, Germany
  • 2. Smithsonian Institution NMNH, Washington, United States of America
  • 3. Fordham University, New York, NY, United States of America
  • 4. Smithsonian Institution, Washington, United States of America
  • 5. Marine Mammal Pathology Services, Olney, United States of America
  • 6. Division of Mammals National Museum of Natural History, Washington, DC, United States of America

Description

Figure 3 - Time-calibrated phylogeny of the seals estimated from combined nuclear and mitochondrial data. Time scale is in millions of years before present. Note that the chronogram has been pruned to show only true seals and immediate pinniped outgroups. Node bars show the 95% HPD intervals for divergence time estimates and mean ages are labeled for the two divergence times within the monk seals. Labeling at the top indicates water circulation through the Central American Seaway, the circle and associated wavy blue lines indicate a period during which water circulation periodically ceased and resumed but a shallow seaway remained open.

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