Browse Items (155 total)
- Collection: Dunn-Seiler Museum
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Pseudofossil - Septarian concretion
(DSM #SD13) Septarian concretions form in cavities where the outer rock is cracked and angular. Minerals fill the cracks and preserve their shape.
Fossilization: The How and Why of Fossil Formation
Thumbnail of Fossilization Video
Insect Fossils Video still image
Thumbnail for insect fossil video
Approximate Shorelines of the Southeast showing Mississippi Embayment.
Approximate placement of shorelines from the Cretaceous through the Pleistocene, showing the Mississippi Embayment.
Map of North America during the Cretaceous showing the Western Interior Seaway and the Mississippi Embayment.
This map shows which parts of North America were inundated with water during the Cretaceous Period.