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New Ophthalmosaurid Ichthyosaurs from the European Lower Cretaceous Demonstrate Extensive Ichthyosaur Survival across the Jurassic–Cretaceous Boundary
- Valentin Fischer,
- Michael W. Maisch,
- Darren Naish,
- Ralf Kosma,
- Jeff Liston,
- Ulrich Joger,
- Fritz J. Krüger,
- Judith Pardo Pérez,
- Jessica Tainsh,
- Robert M. Appleby
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- Published: January 3, 2012
- https://doi.org/10.1371/journal.pone.0029234