Pseudoaspidoceras is an extinct genus of ammonites in the family Acanthoceratidae.
These cephalopods lived during the Turonian stage of the Upper Cretaceous, between 93.5 ñ 0.8 Ma and 89.3 ñ 1 Ma (million years ago). Their shells reached a diameter of 90âÂÂ120 mm and had ornate ribs.
Fossils of Pseudoaspidoceras have been found in Brazil, Nigeria and Peru.