Temperoceras is an orthoconic nautiloid cephalopod named by Barskov in 1960 that lived in what is now north Africa, Europe, and Asia during the early Paleozoic. ==Taxonomy== Temperoceras is included in the orthocerid family Geisonoceratidae the type is Orthoceras ludense ==Morphology== Temperoceras has an orthoconic shell with a tubular siphuncle ...