Flexicalymene meeki Trilobite Fossils

Enrolled Flexicalymene meeki trilobite fossils found in Franklin County, Indiana. These creatures scurried along the sea floor back in the Ordovician Period.

My cousin Kenny found all these in one day which makes that a GREAT fossil day! Thanks to my cousin for the picture.

Fisherites Chlorophytes Fossil

These pictures show a fossil of calcareous green algae (chlorophytes) from the Ordovician Period. They are called Fisherites sp. of the order Dasyclads and family Receptaculites. The fossil was found in the Galena Formation of Minnesota.   Second picture shows a cross section of the fossil.
Thanks to Herb for the images.

Mississippian Age Cornulites Fossil

Cornulites worm tube fossil found in the Indian Springs Formation of Crawford County, Indiana. The worm tube is located in the picture to the upper left of the blastoid. Fossil is dated to the Mississippian Period. 

Thanks to Kenny for the picture.