From which famous chalk beds are detailed Xiphactinus fossils frequently recovered?
Answer
Niobrara Chalk of Kansas
The detailed and frequently recovered fossils of *Xiphactinus*, which often provide crucial insight into its ecology—sometimes even preserving evidence of its final meal—originate primarily from the famous chalk beds of Kansas. Specifically, the Niobrara Chalk is highlighted as the source of exceptionally well-preserved remains. The geological process that formed this chalk involved rapid burial and subsequent mineralization, which effectively protected the delicate skeletal structures and associated ecological findings from decay over millions of years.

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