Coiled Cephalopod Fossil

Finding coiled cephalopod fossils in the area around Louisville is quite rare.  This cephalopod fossil found in Clark County, Indiana, USA. I have posted an image of it before in 2013 but looking at images on my cell phone from 2018, I decided to post some fresher images from different angles.

It was on display at the Indiana University Southeast geology department as of December 2018. It was donated to them by John T. Shelton.

Microfossil Crinoid Pieces from Clark County Indiana

My cousin recently sent me some images of crinoid fossils he has been finding in the New Providence Formation of Clark County, Indiana, USA. The fossils date to the Mississippian Period (Carboniferous). All pictures were taken using a microscope and have an approximate field of view of 2 mm.

Thanks to Kenny for the images.

Conodont Microfossil Polygnathus longiposticus

This image shows what appears to be a Polygnathus longiposticus conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Spathognathodus sp. Conodont Microfossil

This image shows what appears to be a Spathognathodus sp. conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Spathognathodus crassidentatus Conodont Fossil

This image shows what appears to be a Spathognathodus crassidentatus conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Conodont Spathognathodus macer Fossil

This image shows what appears to be a Spathognathodus macer conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Ozarkodina Conodont Fossil

This image shows what appears to be an Ozarkodina conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Spathognathodus macer Conodont Fossil

This image shows what appears to be a Spathognathodus macer conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Ozarkodina Conodont Fossil

This image shows what appears to be an Ozarkodina conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Lonchodina Conodont Fossil

This image shows what appears to be a Lonchodina conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.

Polygnathus lobatus Conodont Fossil

This image shows what appears to be a Polygnathus lobatus conodont fossil. This creature existed in the Mississippian Period. Fossil was found in the Jacob Chapel Shale of Clark County Indiana USA.

Source for ID is Conodonts of the Jacobs Chapel Shale by Carl B. Rexroad, Indiana Department of Natural Resources Geological Survey Bulletin 41 (published Bloomington Indiana 1969).

Thanks to Kenny for the image.