mosasaurs | 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 […]

The post Fossil tells a new tail first appeared on Boneblogger: Science and the outdoors.

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 […]

The post Shark bites in the Cretaceous Sea first appeared on Boneblogger: Science and the outdoors.

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 […]

The post Niobrara Chalk first appeared on Boneblogger: Science and the outdoors.