Tuesday, April 30, 2013

Kingena wacoensis Brachiopod

Here are some pictures of some Kingena (Waconella) wacoensis brachiopod fossils. These fossils were found in the Main Street Limestone of Denton County, Texas. They are dated to the Cretaceous Period.




Monday, April 29, 2013

Spirifer Brachiopod Fossil

Brachiopod fossil this might be a Spirifer sp. found in Milwaukee County, Wisconsin, USA. This brachiopod looks a lot like those found in southern Indiana in the Jeffersonville Limestone called Orthospirifer sp. The Indiana fossil tends to be more gray though.
The Spirifer sp. exist in the Milwaukee Formation with is dated to the Middle Devonian Period.
Thanks to Nathan for the fossil.



Sunday, April 28, 2013

Spanish Nummulite Fossils

These fossils are Nummulites sp. which are a type of foraminifera. They were found in Spain and existed in the Eocene epoch of the Paleogene Period. Some of these fossils are the size of an American silver dollar.