Mississippian Age Cornulites Fossil

The white fossil appears to be a Cornulites worm tube fossil next to an unidentified brown trilobite genial spine. It was found in the Glen Dean formation.of Grayson County, Kentucky USA. The fossil dates to the Mississippian Period. Image was taken with a microscope with an approximate 4 mm field of view (FOV).

Thanks to Kenny for the image.

Palaeoconchus Worm Fossil

The fossil the blue arrow is pointing to appears to be a Palaeoconchus (aka Spirobus) worm fossil. It was found in the Glen Dean formation.of Grayson County, Kentucky USA. The fossil dates to the Mississippian Period. The worm fossils is intermixed with bryozoans (maybe Fenestella). Image was taken with a microscope with an approximate 4 mm field of view (FOV).

Learn more about this worm fossil at the Falls of the Ohio State Park web site:
http://www.fallsoftheohio.org/Fossil_Worms.html

Thanks to Kenny for the image for this blog posting.

Polygnathus Conodont Fossil

Here is a picture of a recently found conodont fossil fragment. It appears to be a Polygnathus sp. The fossil was found in the Jacobs Chapel Shale of Clark County, Indiana, USA which dates to the Mississippian Period.

Thanks to Kenny for the picture.