New Ophthalmosaurid Ichthyosaurs from the European Lower Cretaceous Demonstrate Extensive Ichthyosaur Survival across the Jurassic–Cretaceous Boundary
Table 2
Ratios of taxonomic importance of the ophthalmosaurine ichthyosaurs discussed in the text.
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Ratios of taxonomic importance of the ophthalmosaurine ichthyosaurs discussed in the text.