Nostoceras is the type genus for the ammonite family Nostoceratidae which is included in the Turrilitoidea.

[2] The Turrilitoidea, with Nostoceras and the Nostoceratidae, are commonly included in the suborder Ancyloceratina but may instead belong in the Turrilitina, a proposed order of heteromorphs thought to have a separate derivation, though this separation does not have wide support.

Fossils of Nostoceras are found in marine strata from the Campanian stage of the Upper Cretaceous, in the USA, Mexico, Europe (England, the Netherlands, Austria, Belgium, Denmark, France, Germany, Spain, Italy), Tajikistan, Turkmenistan, Uzbekistan, Iraq, Oman, Africa (South Africa, Angola, Nigeria)), Madagascar, Australia and Japan.

[2] The initial helical whorls are covered with fine ribs and may have small spines.

Nostoceras is like Bostrychoceras in general form, except that its ribs may be flared and the constrictions may or may not be present.