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Showing results for tags 'Placodermi'.
Red Hill is a site I first went to 10 years ago with my son, Ian who was 10 at the time. It is a very deep road cut into the uppermost part of the Catskill Formation representing a late Fammenian river system that was draining the Acadian mountains to the east and emptying into the inland sea in western PA and OH. It is one of a handful of sites in the world where Devonian tetrapods have been found. The site has fossil layers in both channel margin (red layers) and flood plain (gray-green layers) facies. While it is an active research site and groups go there under the understanding that anyth
Mahnmut posted a topic in General Fossil DiscussionHello dear people, I wonder where to find information and reference-images on the postcranial skeleton of dunkleosteus or related species. You find images of their iconically armoured skulls everywhere, but not a hint of the "fishbones". Is there so little fossil record? I hope someone can give me a hint. Thanks, J
a book review of: "Swimming in Stone: The Amazing Gogo Fossils of the Kimberley" by John Long. Fremantle Arts Centre Press. 2006. 320 pages. Suggested Retail Price: $21.95 USD. Anyone who has collected fish fossils of any kind knows that they tend to be found in the form of isolated teeth, jaw sections, vertebrae, or the few other more durable bones. Even when you collect at one of those rare deposits where complete skeletons are common, the specimens are flattened, crushed by the rock layers that formed on top of them. In paleontology, a flattened skeleton is a good specimen but since