Mericoceras is an extinct nautiloid cephalopod that lived during the Late Devonian and possible as early as the Silurian.
Taxonomy Mericoceras is included in the Orthocerida, an order of cephalopods.
Fossil distribution Fossil distribution is exclusive to Sardinia, Wisconsin USA, and northern Ontario, Canada.
References Mericoceras entry on the Paleobiology Database 7/9/12 Jack Sepkoski's lists of Cephalopod genera Walter C. Sweet, 1964. Nautiloidea-Orthocerida. Treatise on Invertebrate Paleontology, Part K. Geological Society of America and University of Kansas Press.