Gog (trilobite)

Gog is a genus of large, flattened asaphid trilobite from the Middle Arenig-aged Svalbard, Valhallfonna Formation, Olenidsletta, Member, of Spitzbergen, Norway (G. catillus), and the Upper Arenig-aged Dawan Formation in Hubei, China (G. yangtzeensis).