Cretaceous | Boneblogger: Science and the outdoors

Fossil tells a new tail

Greg — Thu, 09 Sep 2010 02:12:59 +0000

Mosasaurs lived in the world’s oceans during the Late Cretaceous, the last Period from the Age of Dinosaurs (see the geologic time scale). They are close relatives of modern snakes and lizards, and during the Cretaceous they become fully aquatic sea monsters, growing to tremendous sizes, and were the top predators of their environments. Their […]

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Shark bites in the Cretaceous Sea

Greg — Sat, 17 Jul 2010 21:12:03 +0000

One of the most exciting things in paleontology is being able to definitively establish the interaction of two species from the fossil record. It is thrilling to picture a moment in time, millions of years ago, when two animals were at the same place, at the same time, and be able from fossil evidence to […]

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SuperCroc at Sternberg

Greg — Sun, 14 Mar 2010 22:25:37 +0000

The Sternberg Natural History Museum at Fort Hays State University is featuring a new exhibit, The Science of SuperCroc from now until August 5. The star of the show is the African crocodilian species Sarcosuchus whose remains have been found in the modern Sahara, in the Elrhaz Formation. This Early Cretaceous (~112 million years ago) […]

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Niobrara Chalk

Greg — Tue, 09 Mar 2010 21:26:52 +0000

One of the most famous formations is the Niobrara Chalk. This formation is exposed in northwest Kansas and southern Nebraska. Formations are sometimes divided into members, subsections of the formation based upon its rock type. The Niobrara Chalk has two members: the lower Fort Hays Limestone and the upper Smoky Hill Chalk. It is the […]

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The large consume the small

Greg — Fri, 19 Feb 2010 19:16:38 +0000

It is an interesting paradox of the natural world that some of the largest species alive survive by eating some of the smallest species. Consider the largest animal ever known to have existed. No, it is not a dinosaur, but an animal alive today, the blue whale, Balaenoptera musculus. This behemoth can grow to over […]

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