This trilobite fossil was on display at the American Museum of Natural History (AMNH) in New York city in July 2018. The trilobite fossil is named Dicranurus hamatus elegans (Campbell, 1977). It was found in the Haragan Formation, Coal County of Oklahoma, USA and dates to the Devonian Period. Accession number is Fl-83818. 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.