This trilobite fossils were on display at the American Museum of Natural History (AMNH) in New York city in July 2018. The trilobite fossils are named Ameropiltonia lauradanae (right) and Comptonaspis swallowi (left). It was found in the Chouteau Formation of Saline County, Missouri, USA and date to the Mississippian Period. Accession number is Fl-80136. Donated by Andy Secher.
Learn more about the museum at https://www.amnh.org/
Their trilobite exhibit was made possible by Dr. Martin Shugar, M.D. and Andy Secher who are also editors for the AMNH trilobite web site.