The following are images of Lower Carboniferous Period (Mississippian) fossils. This first one is a elliptical crinoid columnal segment from maybe a
Platycrinites.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjcl3-cuNgJVscq_7xrv9m07pR0pMl7BAl9F4amXqQFDfE7KqQ8a4SnFwdnpT1ZPLAFAful1-GttSBMbG7dnVZu1FWovIEYuLNpTfbhOQy9_RqjnONSwact94BwVXOXnXBDITAc5tL-820_/s400/elliptical-columnal.jpg)
This next image of a crinoid calyx that is probably an
Eretmocrinus.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYEbxp74F7Y3T61fnyUTR7X0a9C9XJb7LZWQOnk2bKamV0c2UtVED0I55wt_sk6WqhUeJsTnejBm-vG24l0Gz-ipMH4nLp5AZvr1jPlzDuxMXygjkH13s2unjGgtj-VwnRbSKDIxR2ZCjI/s400/eretmocrinus-calyx2.jpg)
This next image is of an anal tube of an
Eretmocrinus crinoid.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjxecShpakReUWGzypjb4_vNBDtzHqhmBsAtDBkGrFwci5y33rEJyZl3VNyf8pyDPBONwA3AcXDdPcyurUoDtRqtQjo10gDtkkmyh2gbT56UavI503SdNpjznS0GiviMxbrkBCkMS9cfKtX/s400/eretmocrinus-anal-tube.jpg)
This might be a holdfast of an unidentified crinoid.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgAGJwQ9U8ZJQwfnQoNdPA_cySdM_OFKlcTj1hW61CSzywVIAav1SJwjsX9MOT9-RxvqSxh9gyAecSzJZzz1XLkHNKEX3WDRWev-C1GEC6OjqllacJpZwO4zQL96CzdcH8HLwHB1p4YZ0_x/s400/crinoid-stem-holdfast.jpg)
Unknown brachiopod shell half fossil.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjBKbPbSqdeZNQDT-Xfz3O55hYADGOvjJhI9P-huFME3xYzFjA8m09RrkHjfIqaopLvJQXBhzDqFuEKfDA83hfMEXn-2XkhOJ4OCrt8Q8cfXcaeyGTuNWvcDVtWA_wriSV2lxz4zWJxE5N6/s400/brachiopod.jpg)
A view of Lake Cumberland, Kentucky where these fossils were found in the Fort Payne Formation.