Migration of a Late Cretaceous fish

  title={Migration of a Late Cretaceous fish},
  author={Scott J. Carpenter and Jarvis M Erickson and Finbarr Holland},
Late Cretaceous sediments from the Western Interior of North America yield exceptionally well preserved fossils that serve as proxies for the rapidly changing climate preceding the Cretaceous/Tertiary boundary (about 67–65 Myr ago). Here we reconstruct the ontogenetic history of a Maastrichtian-age fish, Vorhisia vulpes, by using the carbon, oxygen and strontium isotope ratios of four aragonite otoliths collected from the Fox Hills Formation of South Dakota. Individuals of V. vulpes spawned in… CONTINUE READING
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