30198 - Beautiful Rolled 0.67 Inch Flexicalymene meeki Ordovician Trilobite - Ohio USA Asaphiscus wheeleri which result in complex crystal

which result in complex crystal lattice substitutions

Acanthopyge is an extinct genus of lichid trilobite that lived during the Devonian

Size (the biggest): 41

perfectly adapted to the marine ecosystems of the Cretaceous

30198 - Beautiful Rolled 0.67 Inch Flexicalymene meeki Ordovician Trilobite - Ohio USA Asaphiscus wheeleri which result in complex crystalFlexicalymene meeki, Foerste 1910 (trilobite) Trilobita Phacopida Calymenidae PaleoDB taxon number: 110817 Alternative combination: Calymene meeki Full reference: A. F. Foerste. 1910. Preliminary notes on Cincinnatian and Lexington fossils of Ohio, Indiana, Kentucky, and Tennessee. Bulletin of the Scientific Laboratories of Denison University 16(1): 17 100 Belongs to Flexicalymene according to B. R. Hunda and N. C. Hughes 2007 See also Foerste 1910