Antigyroceras
Introduction '''''Antigyroceras''''' is a genus of nautiloids in the order Discosorida, known from central Asia, that lived during Late Silurian and Early Devonian times. It is contemporary with the discosorid ''Endoplectoceras''
References * Sepkoski, J.J. Jr. 2002.A compendium of fossil marine animal genera. D.J. Jablonski & M.L. Foote (eds.). ''Bulletins of American Paleontology'' '''363''': 1–560.Sepkoski's Online Genus Database (CEPHALOPODA)* ''Antigyroceras'' in Fossilworks gateway