Here is a horn coral fossil called Streptelasma corniculum (Hall, 1847). It existed in the Ordovician Period (490-443 million years ago). The fossil was found in the Richmond, Kentucky USA.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is P9537.
Learn more about this fossil here:
https://www.ordovicianatlas.org/atlas/cnidaria/anthozoa/rugosa/streptelasmatidae/streptelasma/
Here is a coral fossil called Calapoecia huronensis (Billings, 1865). It existed in the Ordovician Period (490-443 million years ago). The fossil was found in the Kentucky USA.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is UC91.
Learn more about this fossil here:
After my trip earlier this year to Chicago's Field Museum, I have been posting fossils seen on display there. This next fossil to highlight was found in the Louisville area. It is a coral fossil called Favistina stellata (Hall, 1847). It existed in the Ordovician Period (490-443 million years ago). The fossil was found in the Peewee Valley, Kentucky USA.
The fossil was on display in the Evolving Planet section of The Field Museum of Natural History in Chicago Illinois, USA as of August 2020. Accession number is UC2256.
