Simardoceras

Systematic Paleontolog

Order Discosorida

Family Westonoceratidae

Genus Simardoceras

Simardoceras is an exogastric discosorid within the westonoceratidae, similar to  Sinclairoceras and Winnipegoceras in that the ventral side is convex longitudinally, but with the living or body chamber less contracted. Its age is middle Ordovician